[libc-commits] [libc] [libc][stdlib] Remove LIBC_THREAD_LOCAL from rand_next (PR #96245)

[Nick Desaulniers via libc-commits]

nickdesaulniers wrote:

> I thought LIBC_THREAD_LOCAL was just empty on platforms that didn't support it (baremetal) so this is a no-op?

This code is also the only user of ThreadLocal, so we could probably delete src/stdlib/rand_util.h if we remove ThreadLocal.

https://github.com/llvm/llvm-project/pull/96245