[AMDGPU] Enable machine verification after AMDGPUISelDAGToDAG

This was introduced in D32628 but it does not seem to be required any
more. At least it does not show any problems in check-llvm in an
LLVM_ENABLE_EXPENSIVE_CHECKS build.

Differential Revision: https://reviews.llvm.org/D110692

GitOrigin-RevId: f9b68304a22ef82d827d282dd9014efc2e7ac875
1 file changed