[libcxx-commits] [libcxx] Revert "[libc++] P3798R1: The unexpected in std::expected (#204826)" (PR #205597)

[Nikolas Klauser via libcxx-commits]

https://github.com/philnik777 approved this pull request.

This should be fairly trivial to re-apply once we have C++29, so I don't think there is much reason not to revert for now.

https://github.com/llvm/llvm-project/pull/205597