Revert "[AArch64] Fix optimizeCondBranch logic."

This reverts commit r267206, as it broke self-hosting on AArch64.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@267294 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed