backport of #24870

src/csharp/Grpc.Tools/Grpc.Tools.csproj

@@ -69,7 +69,6 @@ Linux and MacOS. Managed runtime is supplied separately in the Grpc.Core package
     <_Asset PackagePath="tools/windows_x64/" Include="$(Assets_GrpcPlugins)protoc_windows_x64/grpc_csharp_plugin.exe" />
     <_Asset PackagePath="tools/linux_x86/" Include="$(Assets_GrpcPlugins)protoc_linux_x86/grpc_csharp_plugin" />
     <_Asset PackagePath="tools/linux_x64/" Include="$(Assets_GrpcPlugins)protoc_linux_x64/grpc_csharp_plugin" />
-    <_Asset PackagePath="tools/macosx_x86/" Include="$(Assets_GrpcPlugins)protoc_macos_x86/grpc_csharp_plugin" />
     <_Asset PackagePath="tools/macosx_x64/" Include="$(Assets_GrpcPlugins)protoc_macos_x64/grpc_csharp_plugin" />
 
     <None Include="@(_Asset)" Pack="true" Visible="false" />