Update main.yml

Author: Liudon

.github/workflows/main.yml

@@ -27,10 +27,6 @@ jobs:
         uses: actions/checkout@v2
       - name: Checkout submodules
         run: git submodule update --init --recursive --remote
-      - name: Setup Node.js environment
-        uses: actions/setup-node@v2
-        with:
-          node-version: '18.x'
 
       - name: Setup Hugo
         uses: peaceiris/actions-hugo@v2