remove github workflows

.github/workflows/test.yml

-name: Tests
-
-on: [push, pull_request]
-
-jobs:
-  run:
-    name: Node ${{ matrix.node }}
-    runs-on: ubuntu-latest
-    
-    strategy:
-      fail-fast: false
-      matrix:
-        node: [10, 12]
-
-    steps:
-      - name: Clone repository
-        uses: actions/checkout@v1
-        
-      - name: Set Node.js version
-        uses: actions/setup-node@v1
-        with:
-          node-version: ${{ matrix.node }}
-          
-      - name: Set Ruby version
-        uses: actions/setup-ruby@v1
-        with:
-          ruby-version: '2.4.x'
-          
-      - name: Set up Bundler
-        run: gem install bundler -v "~> 1.17"
-          
-      - run: ruby --version
-      - run: gem --version
-      - run: bundle --version
-      - run: node --version
-      - run: npm --version
-        
-      - name: Install npm dependencies
-        run: npm install
-
-      - name: Install bundler dependencies
-        run: bundle install
-        
-      - name: Run bundlesize
-        run: npm run bundlesize