[llvm] [llvm][Support][Windows] Refactored remove_directories() w/o CComPtr and atlbase.h (PR #119843)

[Martin Storsjö via llvm-commits]

https://github.com/mstorsjo approved this pull request.

Thank you very much, LGTM, and thanks for the very quick fix!

It may be nice to explicitly mention it in the commit message, that this fixes building with mingw.

https://github.com/llvm/llvm-project/pull/119843