Remove policy exemption and tweak some model names (Azure#27865)

* update readme

* remove the policyExemptions and tweak some model names

* update api

* revert rename changes

Author: ArcturusZhang

sdk/resourcemanager/Azure.ResourceManager/api/Azure.ResourceManager.netstandard2.0.cs

@@ -18,7 +18,6 @@ public ArmClient(Azure.Core.TokenCredential credential, string defaultSubscripti
         public virtual Azure.ResourceManager.ManagementGroups.ManagementGroupCollection GetManagementGroups() { throw null; }
         public virtual Azure.ResourceManager.Resources.ManagementLockResource GetManagementLockResource(Azure.Core.ResourceIdentifier id) { throw null; }
         public virtual Azure.ResourceManager.Resources.PolicyAssignmentResource GetPolicyAssignmentResource(Azure.Core.ResourceIdentifier id) { throw null; }
-        public virtual Azure.ResourceManager.Resources.PolicyExemptionResource GetPolicyExemptionResource(Azure.Core.ResourceIdentifier id) { throw null; }
         [System.ComponentModel.EditorBrowsableAttribute(System.ComponentModel.EditorBrowsableState.Never)]
         public virtual T GetResourceClient<T>(System.Func<T> resourceFactory) where T : Azure.ResourceManager.ArmResource { throw null; }
         public virtual Azure.ResourceManager.Resources.ResourceGroupResource GetResourceGroupResource(Azure.Core.ResourceIdentifier id) { throw null; }
@@ -105,9 +104,6 @@ protected internal ArmResource(Azure.ResourceManager.ArmClient client, Azure.Cor
         public virtual Azure.Response<Azure.ResourceManager.Resources.PolicyAssignmentResource> GetPolicyAssignment(string policyAssignmentName, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
         public virtual System.Threading.Tasks.Task<Azure.Response<Azure.ResourceManager.Resources.PolicyAssignmentResource>> GetPolicyAssignmentAsync(string policyAssignmentName, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
         public virtual Azure.ResourceManager.Resources.PolicyAssignmentCollection GetPolicyAssignments() { throw null; }
-        public virtual Azure.Response<Azure.ResourceManager.Resources.PolicyExemptionResource> GetPolicyExemption(string policyExemptionName, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
-        public virtual System.Threading.Tasks.Task<Azure.Response<Azure.ResourceManager.Resources.PolicyExemptionResource>> GetPolicyExemptionAsync(string policyExemptionName, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
-        public virtual Azure.ResourceManager.Resources.PolicyExemptionCollection GetPolicyExemptions() { throw null; }
         public virtual Azure.ResourceManager.Resources.TagResource GetTagResource() { throw null; }
         protected virtual bool TryGetApiVersion(Azure.Core.ResourceType resourceType, out string apiVersion) { throw null; }
     }
@@ -737,44 +733,6 @@ public PolicyDefinitionData() { }
         public System.BinaryData PolicyRule { get { throw null; } set { } }
         public Azure.ResourceManager.Resources.Models.PolicyType? PolicyType { get { throw null; } set { } }
     }
-    public partial class PolicyExemptionCollection : Azure.ResourceManager.ArmCollection, System.Collections.Generic.IAsyncEnumerable<Azure.ResourceManager.Resources.PolicyExemptionResource>, System.Collections.Generic.IEnumerable<Azure.ResourceManager.Resources.PolicyExemptionResource>, System.Collections.IEnumerable
-    {
-        protected PolicyExemptionCollection() { }
-        public virtual Azure.ResourceManager.ArmOperation<Azure.ResourceManager.Resources.PolicyExemptionResource> CreateOrUpdate(Azure.WaitUntil waitUntil, string policyExemptionName, Azure.ResourceManager.Resources.PolicyExemptionData data, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
-        public virtual System.Threading.Tasks.Task<Azure.ResourceManager.ArmOperation<Azure.ResourceManager.Resources.PolicyExemptionResource>> CreateOrUpdateAsync(Azure.WaitUntil waitUntil, string policyExemptionName, Azure.ResourceManager.Resources.PolicyExemptionData data, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
-        public virtual Azure.Response<bool> Exists(string policyExemptionName, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
-        public virtual System.Threading.Tasks.Task<Azure.Response<bool>> ExistsAsync(string policyExemptionName, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
-        public virtual Azure.Response<Azure.ResourceManager.Resources.PolicyExemptionResource> Get(string policyExemptionName, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
-        public virtual Azure.Pageable<Azure.ResourceManager.Resources.PolicyExemptionResource> GetAll(string filter = null, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
-        public virtual Azure.AsyncPageable<Azure.ResourceManager.Resources.PolicyExemptionResource> GetAllAsync(string filter = null, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
-        public virtual System.Threading.Tasks.Task<Azure.Response<Azure.ResourceManager.Resources.PolicyExemptionResource>> GetAsync(string policyExemptionName, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
-        System.Collections.Generic.IAsyncEnumerator<Azure.ResourceManager.Resources.PolicyExemptionResource> System.Collections.Generic.IAsyncEnumerable<Azure.ResourceManager.Resources.PolicyExemptionResource>.GetAsyncEnumerator(System.Threading.CancellationToken cancellationToken) { throw null; }
-        System.Collections.Generic.IEnumerator<Azure.ResourceManager.Resources.PolicyExemptionResource> System.Collections.Generic.IEnumerable<Azure.ResourceManager.Resources.PolicyExemptionResource>.GetEnumerator() { throw null; }
-        System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() { throw null; }
-    }
-    public partial class PolicyExemptionData : Azure.ResourceManager.Models.ResourceData
-    {
-        public PolicyExemptionData(string policyAssignmentId, Azure.ResourceManager.Resources.Models.ExemptionCategory exemptionCategory) { }
-        public string Description { get { throw null; } set { } }
-        public string DisplayName { get { throw null; } set { } }
-        public Azure.ResourceManager.Resources.Models.ExemptionCategory ExemptionCategory { get { throw null; } set { } }
-        public System.DateTimeOffset? ExpiresOn { get { throw null; } set { } }
-        public System.BinaryData Metadata { get { throw null; } set { } }
-        public string PolicyAssignmentId { get { throw null; } set { } }
-        public System.Collections.Generic.IList<string> PolicyDefinitionReferenceIds { get { throw null; } }
-    }
-    public partial class PolicyExemptionResource : Azure.ResourceManager.ArmResource
-    {
-        public static readonly Azure.Core.ResourceType ResourceType;
-        protected PolicyExemptionResource() { }
-        public virtual Azure.ResourceManager.Resources.PolicyExemptionData Data { get { throw null; } }
-        public virtual bool HasData { get { throw null; } }
-        public static Azure.Core.ResourceIdentifier CreateResourceIdentifier(string scope, string policyExemptionName) { throw null; }
-        public virtual Azure.ResourceManager.ArmOperation Delete(Azure.WaitUntil waitUntil, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
-        public virtual System.Threading.Tasks.Task<Azure.ResourceManager.ArmOperation> DeleteAsync(Azure.WaitUntil waitUntil, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
-        public virtual Azure.Response<Azure.ResourceManager.Resources.PolicyExemptionResource> Get(System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
-        public virtual System.Threading.Tasks.Task<Azure.Response<Azure.ResourceManager.Resources.PolicyExemptionResource>> GetAsync(System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
-    }
     public partial class PolicySetDefinitionData : Azure.ResourceManager.Models.ResourceData
     {
         public PolicySetDefinitionData() { }
@@ -1259,24 +1217,6 @@ internal ErrorAdditionalInfo() { }
         public string ErrorAdditionalInfoType { get { throw null; } }
         public System.BinaryData Info { get { throw null; } }
     }
-    [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]
-    public readonly partial struct ExemptionCategory : System.IEquatable<Azure.ResourceManager.Resources.Models.ExemptionCategory>
-    {
-        private readonly object _dummy;
-        private readonly int _dummyPrimitive;
-        public ExemptionCategory(string value) { throw null; }
-        public static Azure.ResourceManager.Resources.Models.ExemptionCategory Mitigated { get { throw null; } }
-        public static Azure.ResourceManager.Resources.Models.ExemptionCategory Waiver { get { throw null; } }
-        public bool Equals(Azure.ResourceManager.Resources.Models.ExemptionCategory other) { throw null; }
-        [System.ComponentModel.EditorBrowsableAttribute(System.ComponentModel.EditorBrowsableState.Never)]
-        public override bool Equals(object obj) { throw null; }
-        [System.ComponentModel.EditorBrowsableAttribute(System.ComponentModel.EditorBrowsableState.Never)]
-        public override int GetHashCode() { throw null; }
-        public static bool operator ==(Azure.ResourceManager.Resources.Models.ExemptionCategory left, Azure.ResourceManager.Resources.Models.ExemptionCategory right) { throw null; }
-        public static implicit operator Azure.ResourceManager.Resources.Models.ExemptionCategory (string value) { throw null; }
-        public static bool operator !=(Azure.ResourceManager.Resources.Models.ExemptionCategory left, Azure.ResourceManager.Resources.Models.ExemptionCategory right) { throw null; }
-        public override string ToString() { throw null; }
-    }
     public partial class ExportTemplate
     {
         public ExportTemplate() { }