Revert "[X86][SSE] Blend any v8i16/v4i32 shift with 2 shift unique values"

This reverts commit r336113. It causes crashes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@336189 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed