Remove VLLM_USE_V1 (#4086)

Drop VLLM_USE_V1 usage.  This env has been removed from vLLM already.

- vLLM version: v0.11.0
- vLLM main:
83f478bb19

Signed-off-by: wangxiyuan <wangxiyuan1007@gmail.com>

.github/workflows/nightly_benchmarks.yaml

@@ -46,14 +46,13 @@ jobs:
   test:
     if: ${{ contains(github.event.pull_request.labels.*.name, 'performance-test') && contains(github.event.pull_request.labels.*.name, 'ready-for-test') || github.event_name == 'schedule' || github.event_name == 'workflow_dispatch' }}
 
-    name: Benchmarks/vLLM=${{ matrix.vllm_branch }}, vLLM-Ascend=${{ matrix.vllm_ascend_branch }}, use_v1=${{ matrix.vllm_use_v1 }}
+    name: Benchmarks/vLLM=${{ matrix.vllm_branch }}, vLLM-Ascend=${{ matrix.vllm_ascend_branch }}
     runs-on: 'linux-arm64-npu-static-8'
     strategy:
       matrix:
         include:
           - vllm_branch: v0.11.0
             vllm_ascend_branch: main
-            vllm_use_v1: 1
       max-parallel: 1
     container:
       image: swr.cn-southwest-2.myhuaweicloud.com/base_image/ascend-ci/cann:8.3.rc1-910b-ubuntu22.04-py3.11
@@ -73,7 +72,6 @@ jobs:
         VLLM_USE_MODELSCOPE: True
         ES_OM_DOMAIN: ${{ secrets.ES_OM_DOMAIN }}
         ES_OM_AUTHORIZATION: ${{ secrets.ES_OM_AUTHORIZATION }}
-        VLLM_USE_V1: ${{ matrix.vllm_use_v1 }}
     steps:
       - name: Check npu and CANN info
         run: |
@@ -200,7 +198,6 @@ jobs:
             --created_at "$commit_time_no_tz" \
             --res_dir ./benchmarks/results \
             --error "$ERROR_MSG" \
-            --extra_feat '{"VLLM_USE_V1": "${{ matrix.vllm_use_v1 }}"}'
             rm -rf ./benchmarks/results
             cd -
           done < commit_log.txt