Remove some instructions that seem to only exist to trick the filtering checks...

Remove some instructions that seem to only exist to trick the filtering checks in the disassembler table creation. Just fix up the filter to let the real instruction through instead.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192090 91177308-0d34-0410-b5e6-96231b3b80d8