[libcxx-commits] [libcxx] [libcxx] removes unnecessary traits from `has_unique_object_representations` (PR #69241)

[Louis Dionne via libcxx-commits]

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

This can be merged once the CI is green. Whoever sees this first can go ahead.

https://github.com/llvm/llvm-project/pull/69241