[libcxx-commits] [libcxx] [libc++][NFC] Update LWG3477(Simplify constraints for `semiregular-box`) status (PR #85399)

[Mark de Wever via libcxx-commits]

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

I've updated the title of the commit message to match the status, with that I'm happy with this commit. Let's ship it.

https://github.com/llvm/llvm-project/pull/85399