fix: remove image cleanup step, Volcano Engine CR doesn't support API delete

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.gitea/workflows/deploy.yaml

@@ -123,50 +123,8 @@ jobs:
             kubectl rollout restart deployment/log-center-web
           } 2>&1 | tee /tmp/deploy.log
 
-      # ==================== 清理旧镜像（保留最近5个版本） ====================
-
-      - name: Clean old images
-        if: success()
-        run: |
-          KEEP=5
-          CR="${{ secrets.CR_SERVER }}"
-          ORG="${{ env.CR_ORG }}"
-          AUTH="${{ secrets.CR_USERNAME }}:${{ secrets.CR_PASSWORD }}"
-
-          for REPO in log-center-api log-center-web k8s-pod-monitor; do
-            echo "Cleaning ${ORG}/${REPO}..."
-
-            # 获取 Harbor token
-            TOKEN=$(curl -s -u "${AUTH}" "https://${CR}/service/token?service=harbor-registry&scope=repository:${ORG}/${REPO}:pull,delete" | \
-              python3 -c "import sys,json; print(json.load(sys.stdin).get('token',''))" 2>/dev/null)
-
-            # 列出所有标签，排序后取要删除的
-            TAGS=$(curl -s -H "Authorization: Bearer ${TOKEN}" "https://${CR}/v2/${ORG}/${REPO}/tags/list" | \
-              python3 -c "
-          import sys,json
-          try:
-            data = json.load(sys.stdin)
-            tags = [t for t in data.get('tags',[]) if t != 'latest']
-            tags.sort(reverse=True)
-            for t in tags[${KEEP}:]:
-              print(t)
-          except: pass
-          " 2>/dev/null)
-
-            for TAG in $TAGS; do
-              DIGEST=$(curl -s -H "Authorization: Bearer ${TOKEN}" \
-                -H 'Accept: application/vnd.docker.distribution.manifest.v2+json' \
-                "https://${CR}/v2/${ORG}/${REPO}/manifests/${TAG}" -o /dev/null -D - | \
-                grep -i docker-content-digest | awk '{print $2}' | tr -d '\r')
-              if [ -n "$DIGEST" ]; then
-                curl -s -X DELETE -H "Authorization: Bearer ${TOKEN}" \
-                  "https://${CR}/v2/${ORG}/${REPO}/manifests/${DIGEST}"
-                echo "  Deleted: ${TAG}"
-              fi
-            done
-          done
-
       # ==================== CI/CD 错误上报 ====================
+      # 注：火山引擎 CR 小微版不支持 API 删除镜像，需在控制台手动清理旧版本
 
       - name: Report failure to Log Center
         if: failure()