Revert "[mips] [IAS] Add support for BNE and BEQ with an immediate operand." (r239396).

It was breaking buildbots.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239397 91177308-0d34-0410-b5e6-96231b3b80d8
6 files changed