[Support] Remove redundant declarations (NFC)#166011

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

kazutakahirata:cleanup_20251101_clang_tidy_readability-redundant-declaration-raw_ostreamkazutakahirata/llvm-project:cleanup_20251101_clang_tidy_readability-redundant-declaration-raw_ostreamCopy head branch name to clipboard