[flang-commits] [flang] [flang] Remove unused DenseMapInfo::getTombstoneKey (PR #200632)

[Alexis Engelke via flang-commits]

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

LGTM. But please wait for 1-2 days in case we have to revert the DenseMap change again.

https://github.com/llvm/llvm-project/pull/200632