Remove bogus test.

It was using "lc  -filetype=obj" just to pass the result to
"llvm-objdupm -disassemble" and then filecheck assembly.

The CHECK-NOT would never match anyway since it was missing $.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205036 91177308-0d34-0410-b5e6-96231b3b80d8