Remove using Typespec. (#2426)

Author: timotheeguerin

.chronus/changes/remove-typespec-using-2025-2-20-20-49-16.md

@@ -0,0 +1,13 @@
+---
+# Change versionKind to one of: internal, fix, dependencies, feature, deprecation, breaking
+changeKind: internal
+packages:
+  - "@azure-tools/azure-http-specs"
+  - "@azure-tools/typespec-autorest"
+  - "@azure-tools/typespec-azure-core"
+  - "@azure-tools/typespec-azure-portal-core"
+  - "@azure-tools/typespec-azure-resource-manager"
+  - "@azure-tools/typespec-client-generator-core"
+---
+
+Remove using Typespec.

eng/feeds/__snapshots__/azure-arm/employee.tsp

@@ -3,8 +3,8 @@ import "@typespec/http";
 import "@azure-tools/typespec-azure-core";
 import "@azure-tools/typespec-azure-resource-manager";
 
-using TypeSpec.Rest;
-using TypeSpec.Http;
+using Rest;
+using Http;
 using Azure.Core;
 using Azure.ResourceManager;