清理工作流，只保留最简单的测试

.gitea/workflows/no-action-test.yml

@@ -0,0 +1,24 @@
+name: No Action Test
+
+on:
+  push:
+    branches: [main]
+  workflow_dispatch:
+
+jobs:
+  test:
+    runs-on: ubuntu:host
+    steps:
+      - run: |
+          echo "========================================"
+          echo "TEST START"
+          echo "========================================"
+          echo "Step 1: Hello"
+          echo "Step 2: $(date)"
+          echo "Step 3: $(whoami)"
+          echo "Step 4: $(hostname)"
+          echo "Step 5: $(pwd)"
+          echo "Step 6: $(uname -a)"
+          echo "========================================"
+          echo "TEST END"
+          echo "========================================"