message: Remove unnecessary yarn install
diff: @@ -26,8 +26,6 @@ jobs:
  key: ${{ runner.os }}-eslint
  - name: Checkout
  uses: actions/checkout@v1
  - - name: yarn install
  - run: yarn install
  - name: Extract branch name
  shell: bash
  run: echo "##[set-output name=branch;]$(echo ${GITHUB_REF#refs/heads/})"
  