[libcxx-commits] [libcxx] [libcxx] Remove xfails due to picolibc's support for char16_t and char32_t (PR #114422)

[Victor Campos via libcxx-commits]

vhscampos wrote:

It seems that this patch can only land after the CI pipelines update their picolibc to a version that contains https://github.com/picolibc/picolibc/commit/f6f68758fe2aa62854f49b90c3daeeb08242b512 as this was when support for `char16_t` and `char32_t` was introduced.

https://github.com/llvm/llvm-project/pull/114422