[CI] clean up ci (#4452)

1. Run 4-card test only when single and 2-card test passed
2. rename file to make it more clear
3. remove useless pd workflow, it has been managed by nightly test
already.

- vLLM version: v0.11.2
- vLLM main: https://github.com/vllm-project/vllm/commit/v0.11.2

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

Author: wangxiyuan

.github/workflows/_e2e_test.yaml

@@ -111,9 +111,6 @@ jobs:
           # Fix me: test_eagle_correctness OOM error
           pytest -sv tests/e2e/singlecard/spec_decode_v1/test_v1_spec_decode.py
 
-          # TODO: Move ops test to nightly test
-          #pytest -sv tests/e2e/singlecard/ops/
-
   e2e-2-cards:
     name: multicard-2
     runs-on: ${{ inputs.runner }}-2
@@ -210,6 +207,8 @@ jobs:
 
   e2e-4-cards:
     name: multicard-4
+    needs: [e2e, e2e-2-cards]
+    if: ${{ needs.e2e.result == 'success' && needs.e2e-2-cards.result == 'success' && inputs.type == 'full' }}
     runs-on: linux-aarch64-a3-4
     container:
       image: m.daocloud.io/quay.io/ascend/cann:8.3.rc1-a3-ubuntu22.04-py3.11
@@ -289,4 +288,4 @@ jobs:
           VLLM_USE_MODELSCOPE: True
         run: |
           . /usr/local/Ascend/8.3.RC1/bisheng_toolkit/set_env.sh
-          pytest -sv tests/e2e/multicard/test_qwen3_next.py
+          pytest -sv tests/e2e/multicard/test_qwen3_next.py