[llvm] [AMDGPU] Delete redundant s_or_b32 (PR #165261)

[Jay Foad via llvm-commits]

jayfoad wrote:

> Didn't realize that `s_cselect_b64` also sets SCC.

It does not write to SCC, but you can reuse the same SCC value that was read by the `s_cselect_b64` instruction.

https://github.com/llvm/llvm-project/pull/165261