remove node setup from test workflow

.github/workflows/tests.yml

@@ -28,17 +28,9 @@ jobs:
           python-version: "3.12"
           cache: "poetry"
 
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 22
-          cache: "npm"
-
       - name: Install Python dependencies
         run: poetry install
 
-      - name: Install Node dependencies
-        run: npm install
-
       - name: Lint
         run: poetry run make lint