[X86] Upgrade some avx512bw shift intrinsics that were removed a while ago. NFC

Masking was removed from these intrinsics and I guess we didn't update the tests then.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@351165 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed