[clang] [llvm] [mlir] Revert "[OpenMP][Mappers] Fix ref-count tracking for maps inserted by mappers. (#177059)" (PR #177623)

[Abhinav Gaba via cfe-commits]

abhinavgaba wrote:

The Windows failure reported is unrelated to this. But I figured out the test issue, so we can merge that if that's preferable: https://github.com/llvm/llvm-project/pull/177659.


https://github.com/llvm/llvm-project/pull/177623