Remove references to VB compiler assemblies

Author: sharwell

StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp7/StyleCop.Analyzers.Test.CSharp7.csproj

@@ -17,7 +17,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis" Version="2.8.2" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="2.8.2" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1" PrivateAssets="all" />
   </ItemGroup>

StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/StyleCop.Analyzers.Test.CSharp8.csproj

@@ -17,7 +17,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis" Version="3.6.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="3.6.0" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1" PrivateAssets="all" />
   </ItemGroup>

StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/StyleCop.Analyzers.Test.CSharp9.csproj

@@ -17,7 +17,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis" Version="3.8.0-5.final" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="3.8.0-5.final" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1" PrivateAssets="all" />
   </ItemGroup>

StyleCop.Analyzers/StyleCop.Analyzers.Test/StyleCop.Analyzers.Test.csproj

@@ -17,7 +17,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis" Version="1.3.2" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="1.3.2" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.CodeFix.Testing.XUnit" Version="1.0.1-beta1.20559.1" />
     <PackageReference Include="Microsoft.VisualStudio.Composition" Version="16.1.8" />
     <PackageReference Include="System.ValueTuple" Version="4.5.0" />