[polly] Remove redundant calls to std::unique_ptr<T>::get (NFC)#139418

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

kazutakahirata:cleanup_clang_tidy_readability_redundant_smartptr_get_pollykazutakahirata/llvm-project:cleanup_clang_tidy_readability_redundant_smartptr_get_pollyCopy head branch name to clipboard