Remove SCI from generators directory (#11720)

* Remove SCI from generators directory

This change removes SCI from the source-generators directory. This
dependency is always resolved by the C# compiler that is loading the
generator. Deploying it is just eating up disk space.

* pr feedback

Author: jaredpar

src/Compiler/Microsoft.NET.Sdk.Razor.SourceGenerators.Transport/Microsoft.NET.Sdk.Razor.SourceGenerators.Transport.csproj

@@ -20,7 +20,6 @@
     <ItemGroup>
       <Content Include="$(ArtifactsBinDir)Microsoft.CodeAnalysis.Razor.Compiler\$(Configuration)\netstandard2.0\*.*" Exclude="$(ArtifactsBinDir)**\*.pdb" PackagePath="\source-generators" />
       <Content Include="$(ArtifactsBinDir)Microsoft.CodeAnalysis.Razor.Tooling.Internal\$(Configuration)\netstandard2.0\Microsoft.Extensions.ObjectPool.dll" PackagePath="\source-generators" />
-      <Content Include="$(ArtifactsBinDir)Microsoft.CodeAnalysis.Razor.Tooling.Internal\$(Configuration)\netstandard2.0\System.Collections.Immutable.dll" PackagePath="\source-generators" />
     </ItemGroup>
   </Target>
 

src/Compiler/Microsoft.Net.Compilers.Razor.Toolset/Microsoft.Net.Compilers.Razor.Toolset.csproj

@@ -36,7 +36,6 @@
     <ItemGroup>
       <Content Include="$(ArtifactsBinDir)Microsoft.CodeAnalysis.Razor.Compiler\$(Configuration)\$(TargetFramework)\*.dll" PackagePath="\source-generators" />
       <Content Include="$(ArtifactsBinDir)Microsoft.CodeAnalysis.Razor.Tooling.Internal\$(Configuration)\$(TargetFramework)\Microsoft.Extensions.ObjectPool.dll" PackagePath="\source-generators" />
-      <Content Include="$(ArtifactsBinDir)Microsoft.CodeAnalysis.Razor.Tooling.Internal\$(Configuration)\$(TargetFramework)\System.Collections.Immutable.dll" PackagePath="\source-generators" />
     </ItemGroup>
   </Target>
 

src/Compiler/tools/Microsoft.CodeAnalysis.Razor.Tooling.Internal/Microsoft.CodeAnalysis.Razor.Tooling.Internal.csproj

@@ -16,7 +16,6 @@
     <Content Include="$(OutDir)Microsoft.CodeAnalysis.Razor.Compiler.dll" PackagePath="lib\$(TargetFramework)" />
     <Content Include="$(OutDir)Microsoft.AspNetCore.Razor.Utilities.Shared.dll" PackagePath="lib\$(TargetFramework)" />
     <Content Include="$(OutDir)Microsoft.Extensions.ObjectPool.dll" PackagePath="lib\$(TargetFramework)" />
-    <Content Include="$(OutDir)System.Collections.Immutable.dll" PackagePath="lib\$(TargetFramework)" />
   </ItemGroup>
 
 </Project>