Update nodejs.yml

Author: infctr

.github/workflows/nodejs.yml

@@ -26,7 +26,6 @@ jobs:
         node-version: ${{ matrix.node-version }}
     - name: GitHub Action for Yarn
       uses: Borales/actions-yarn@v2.1.0
-    - run: yarn install
     - run: yarn test
       env:
         CI: true