[llvm] [AMDGPU] Remove definition of hi16 for scalar registers (PR #197467)

[Stanislav Mekhanoshin via llvm-commits]

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

OK, having it artificial also does not help. If we ever need it for true16 we can restore it. LGTM.

https://github.com/llvm/llvm-project/pull/197467