Make TypeScript project settings configuration specific.

  <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
    <TypeScriptRemoveComments>False</TypeScriptRemoveComments>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
    <TypeScriptRemoveComments>False</TypeScriptRemoveComments>
  </PropertyGroup>