[clang] [clang-tools-extra] [libcxx] Revert "[clang] Enable sized deallocation by default in C++14 onwards (#83774)" (PR #90299)

[via cfe-commits]

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

Thanks, hopefully this revert should fix the Windows problems we are seeing.

https://github.com/llvm/llvm-project/pull/90299