Do not add link flags to compile flags

To avoid:

    C:\helix\work\correlation\build\wasm-shared\WasmApp.Common.targets(825,5): error : emcc: warning: linker setting ignored during compilation: 'EXPORT_ES6' [-Wunused-command-line-argument] [C:\helix\work\workitem\e\publish\ProxyProjectForAOTOnHelix.proj]
    C:\helix\work\correlation\build\wasm-shared\WasmApp.Common.targets(825,5): error : emcc: warning: linker setting ignored during compilation: 'EXPORT_EXCEPTION_HANDLING_HELPERS' [-Wunused-command-line-argument] [C:\helix\work\workitem\e\publish\ProxyProjectForAOTOnHelix.proj]

src/mono/wasm/build/WasmApp.Common.targets

@@ -797,7 +797,7 @@
     Outputs: file @(_WasmCompileBitcodeRsp
   -->
   <Target Name="_WasmWriteRspForCompilingBitcode">
-    <WriteLinesToFile Lines="@(_BitcodeLDFlags)" File="$(_WasmCompileBitcodeRsp)" Overwrite="true" WriteOnlyWhenDifferent="true" />
+    <WriteLinesToFile Lines="@(_EmccCommonFlags)" File="$(_WasmCompileBitcodeRsp)" Overwrite="true" WriteOnlyWhenDifferent="true" />
     <ItemGroup>
       <FileWrites Include="$(_WasmCompileBitcodeRsp)" />
     </ItemGroup>