[libcxx-commits] [libcxx] [libc++] First attempt to regroup a few modules in the modulemap (PR #98214)

[Louis Dionne via libcxx-commits]

ldionne wrote:

I've just started working my way through the modulemap. For now it only reduces the number of top-level modules by a few since I merged all the private `type_traits` modules. But eventually I expect that we should have roughly as many top-level modules as we have public headers (on the order of).

https://github.com/llvm/llvm-project/pull/98214