[PowerPC] Remove a redundant cast (NFC)#165834

arsenm merged 1 commit intollvm:mainllvm/llvm-project:mainfrom

kazutakahirata:cleanup_20251030_clang_tidy_readability-redundant-casting_PPCkazutakahirata/llvm-project:cleanup_20251030_clang_tidy_readability-redundant-casting_PPCCopy head branch name to clipboard