message: Remove empty `PropertyGroup` elements
  Reference:
diff: <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="PropertySheets">
  <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
  </ImportGroup>
  - <PropertyGroup Label="UserMacros" />
  <PropertyGroup>
  <_ProjectFileVersion>14.0.23107.0</_ProjectFileVersion>
  </PropertyGroup>
  