[llvm] [RFC][NFC][AMDGPU] Remove `-verify-machineinstrs` from `llvm/test/CodeGen/AMDGPU/*.ll` (PR #150024)

[Stanislav Mekhanoshin via llvm-commits]

https://github.com/rampitec approved this pull request.

I cannot check all 1477 files, but I assume it is pretty mechanical. LGTM.

https://github.com/llvm/llvm-project/pull/150024