VS: Remove duplicate import in compiler id vcxproj

Since commit d3c4c6d630 (VS: Import default C++ props file before
toolset-specific props file, 2023-03-01, v3.27.0-rc1~361^2) we import
`Microsoft.Cpp.Default.props` twice.  Remove the extra import line, and
re-order imports as intended by the original change.