[DebugInfo] Remove target-specific instructions in test

This AsmParser test is target-agnostic, but contained some target-specific
instructions, which broke on SystemZ.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@326129 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed