### What this PR does / why we need it? remove env VLLM_ASCEND_ENABLE_CONTEXT_PARALLEL - vLLM version: v0.12.0 --------- Signed-off-by: LookAround <lixushi@huawei.com> Signed-off-by: ZhangMingWei716 <2894054457@qq.com> Co-authored-by: ZhangMingWei716 <2894054457@qq.com> Co-authored-by: wangxiyuan <wangxiyuan1007@gmail.com>