[Vectorize] Remove a redundant declaration (NFC)#167188

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

kazutakahirata:cleanup_20251108_clang_tidy_readability-redundant-declaration_Veckazutakahirata/llvm-project:cleanup_20251108_clang_tidy_readability-redundant-declaration_VecCopy head branch name to clipboard