compiler-rt: remove unnecessary include

This is to sync the code with upstream, see:
See https://github.com/llvm/llvm-project/pull/73439#discussion_r1406644942

Fixes: 4c9a0adad182
MFC after: 3 days

(cherry picked from commit d2033021a73db7b8d910c1ffc52f4d1d0def7162)