Remove LinkerWorkaround.xml (#24748)

* Remove LinkerWorkaround.xml

The workaround file is no longer needed, now that the underlying bugs are fixed in the dotnet/runtime libraries.

Fix #23262

* Also remove LinkerWorkaround from Components/WebAssembly

Author: eerhardt

src/Components/WebAssembly/Sdk/src/targets/LinkerWorkaround.xml

@@ -405,7 +405,6 @@ Copyright (c) .NET Foundation. All rights reserved.
 
     <ItemGroup>
       <TrimmerRootDescriptor Include="$(_BlazorTypeGranularTrimmerDescriptorFile)" />
-      <TrimmerRootDescriptor Include="$(MSBuildThisFileDirectory)LinkerWorkaround.xml" />
 
       <FileWrites Include="$(_BlazorTypeGranularTrimmerDescriptorFile)" />
     </ItemGroup>

src/Components/WebAssembly/Sdk/src/targets/Microsoft.NET.Sdk.BlazorWebAssembly.Current.targets

@@ -387,7 +387,6 @@ Copyright (c) .NET Foundation. All rights reserved.
 
     <ItemGroup>
       <TrimmerRootDescriptor Include="$(_BlazorTypeGranularTrimmerDescriptorFile)" />
-      <TrimmerRootDescriptor Include="$(MSBuildThisFileDirectory)LinkerWorkaround.xml" />
 
       <FileWrites Include="$(_BlazorTypeGranularTrimmerDescriptorFile)" />
     </ItemGroup>