Update ci.yml

.github/workflows/ci.yml

@@ -8,14 +8,5 @@ jobs:
   ci:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
-        with: {node-version: 13.x}
-      - uses: actions/cache@v1
-        with:
-          path: ~/.npm
-          key: ${{runner.os}}-npm-${{hashFiles('**/package-lock.json')}}
-          restore-keys: ${{runner.os}}-npm-
-      - run: npm ci
-      - run: npm run style:check
-      - run: npm test
+      - run: |
+        ls