Revert "[X86][AVX] Added support for lowering to VBROADCASTF128/VBROADCASTI128"

It caused PR28657.

This reverts commit r276281.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@276405 91177308-0d34-0410-b5e6-96231b3b80d8
11 files changed