[MC] Remove a redundant cast (NFC)#168298

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

kazutakahirata:cleanup_20251116a_clang_tidy_readability-redundant-casting_MCkazutakahirata/llvm-project:cleanup_20251116a_clang_tidy_readability-redundant-casting_MCCopy head branch name to clipboard