remove main vll verison.

Author: wangxiaoxin (A)

.github/workflows/vllm_ascend_test.yaml

@@ -113,7 +113,7 @@ jobs:
       max-parallel: 2
       matrix:
         os: [linux-arm64-npu-1, linux-arm64-npu-4]
-        vllm_version: [main, v0.9.1]
+        vllm_version: [v0.9.1]
     concurrency:
       group: >
         ${{

.github/workflows/vllm_ascend_test_long_term.yaml

@@ -40,7 +40,7 @@ jobs:
       max-parallel: 2
       matrix:
         os: [linux-arm64-npu-1, linux-arm64-npu-4]
-        vllm_version: [main, v0.9.1]
+        vllm_version: [v0.9.1]
     name: vLLM Ascend long term test
     runs-on: ${{ matrix.os }}
     container:

.github/workflows/vllm_ascend_test_pd.yaml

@@ -38,7 +38,7 @@ jobs:
     if: ${{ contains(github.event.pull_request.labels.*.name, 'pd-test') && contains(github.event.pull_request.labels.*.name, 'ready-for-test') || github.event_name == 'schedule' }}
     strategy:
       matrix:
-        vllm_verison: [main, v0.9.1]
+        vllm_verison: [v0.9.1]
     name: vLLM Ascend prefilling decoding disaggregation test
     runs-on: linux-arm64-npu-static-8