[Sparc] EXPENSIVE_CHECKS now passes all machine verifier errors (PR27461)

Now that D51487 has landed, the last machine verifier tests that failed EXPENSIVE_CHECKS builds have now been fixed/removed, so we can remove @MatzeB 's isMachineVerifierClean() hack for sparc targets.

Differential Revision: https://reviews.llvm.org/D52612

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@343232 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed