[Refactor] remove some metadata variables in attention_v1.#5160

wangxiyuan merged 16 commits into

vllm-project:mainvllm-project/vllm-ascend:mainfrom

weijinqian0:refactor_attention_remove_metadataweijinqian0/vllm-ascend:refactor_attention_remove_metadataCopy head branch name to clipboard