Versioning changes as requested

Author: SteveSandersonMS

eng/Version.Details.xml

@@ -293,13 +293,9 @@
       <Uri>https://github.com/dotnet/corefx</Uri>
       <Sha>0abec4390b30fdda97dc496594f9b1f9c9b20e17</Sha>
     </Dependency>
-    <Dependency Name="System.ComponentModel" Version="4.3.0">
-      <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>000000</Sha>
-    </Dependency>
     <Dependency Name="System.ComponentModel.Annotations" Version="4.6.0-preview.19109.6">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>000000</Sha>
+      <Sha>0abec4390b30fdda97dc496594f9b1f9c9b20e17</Sha>
     </Dependency>
     <Dependency Name="System.Data.SqlClient" Version="4.7.0-preview.19109.6">
       <Uri>https://github.com/dotnet/corefx</Uri>

eng/Versions.props

@@ -25,7 +25,6 @@
     <MicrosoftBclJsonSourcesPackageVersion>4.6.0-preview.19109.6</MicrosoftBclJsonSourcesPackageVersion>
     <MicrosoftCSharpPackageVersion>4.6.0-preview.19109.6</MicrosoftCSharpPackageVersion>
     <MicrosoftWin32RegistryPackageVersion>4.6.0-preview.19109.6</MicrosoftWin32RegistryPackageVersion>
-    <SystemComponentModelPackageVersion>4.3.0</SystemComponentModelPackageVersion>
     <SystemComponentModelAnnotationsPackageVersion>4.6.0-preview.19109.6</SystemComponentModelAnnotationsPackageVersion>
     <SystemDataSqlClientPackageVersion>4.7.0-preview.19109.6</SystemDataSqlClientPackageVersion>
     <SystemDiagnosticsEventLogPackageVersion>4.6.0-preview.19109.6</SystemDiagnosticsEventLogPackageVersion>
@@ -136,6 +135,7 @@
     <!-- Stable dotnet/corefx packages no longer updated for .NET Core 3 -->
     <SystemBuffersPackageVersion>4.5.0</SystemBuffersPackageVersion>
     <SystemCodeDomPackageVersion>4.4.0</SystemCodeDomPackageVersion>
+    <SystemComponentModelPackageVersion>4.3.0</SystemComponentModelPackageVersion>
     <SystemNetHttpPackageVersion>4.3.2</SystemNetHttpPackageVersion>
     <SystemThreadingTasksExtensionsPackageVersion>4.5.2</SystemThreadingTasksExtensionsPackageVersion>
     <!-- Packages developed by @aspnet, but manually updated as necessary. -->