remove github workflow

.github/workflows/test.yml

@@ -1,39 +0,0 @@
-name: Test
-
-on: [push]
-
-jobs:
-  test:
-    runs-on: ubuntu-latest
-
-    strategy:
-      matrix:
-        node-version: ['10', '12']
-
-    steps:
-      - uses: actions/checkout@v1
-
-      - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v1
-        with:
-          node-version: ${{ matrix.node-version }}
-
-      - name: Cache node modules
-        uses: actions/cache@v1
-        with:
-          path: ~/.npm
-          key: ${{ runner.os }}-node-${{ matrix.node-version }}-${{ hashFiles('**/package-lock.json') }}
-          restore-keys: ${{ runner.os }}-node-${{ matrix.node-version }}
-
-      - name: Cache Gatsby build output
-        uses: actions/cache@v1
-        with:
-          path: public
-          key: ${{ runner.os }}-public
-
-      - run: npm ci
-      - run: npm test
-      - run: npm run build
-        env:
-          CI: true
-          GATSBY_GITHUB_TOKEN: ${{ secrets.GATSBY_GITHUB_TOKEN }}