Remove duplicate SourceGeneration generator refs (#75083)

* Remove duplicate SourceGeneration generator refs

Unblocks #75058

The listed PR brings in a change in roslyn that errors for duplicate analyzer references. There were only two duplicates in the libraries source projects which are being removed. The actual reference is already brought in via generators.targets.

* Update System.Net.Http.csproj

Author: ViktorHofer

src/libraries/System.Console/src/System.Console.csproj

@@ -238,7 +238,6 @@
   </ItemGroup>
   <ItemGroup Condition="'$(TargetPlatformIdentifier)' == 'Browser'">
     <ProjectReference Include="$(LibrariesProjectRoot)System.Runtime.InteropServices.JavaScript\gen\JSImportGenerator\JSImportGenerator.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false" />
-    <ProjectReference Include="$(LibrariesProjectRoot)System.Runtime.InteropServices\gen\Microsoft.Interop.SourceGeneration\Microsoft.Interop.SourceGeneration.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false" />
     <Reference Include="System.Runtime.InteropServices.JavaScript" />
   </ItemGroup>
 </Project>

src/libraries/System.Net.Http/src/System.Net.Http.csproj

@@ -469,7 +469,6 @@
   </ItemGroup>
   <ItemGroup Condition="'$(TargetPlatformIdentifier)' == 'Browser'">
     <ProjectReference Include="$(LibrariesProjectRoot)System.Runtime.InteropServices.JavaScript\gen\JSImportGenerator\JSImportGenerator.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false" />
-    <ProjectReference Include="$(LibrariesProjectRoot)System.Runtime.InteropServices\gen\Microsoft.Interop.SourceGeneration\Microsoft.Interop.SourceGeneration.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false" />
     <Reference Include="System.Runtime.InteropServices.JavaScript" />
   </ItemGroup>
   <ItemGroup Condition="'$(UseManagedNtlm)' == 'true'">