GitHub actions: remove uses when run

Author: Julien Neuhart

.github/workflows/workflow.yml

@@ -48,7 +48,6 @@ jobs:
         uses: docker/setup-buildx-action@v1
       - uses: actions/checkout@v1
       - name: Build and test
-        uses: docker/build-push-action@v2
         run: |
           PHP_VERSION="${{ matrix.php_version }}" BRANCH="$GITHUB_REF_NAME_SLUG" VARIANT="${{ matrix.variant }}" ./build-and-test.sh
           docker images | grep thecodingmachine/php
@@ -60,7 +59,6 @@ jobs:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }
       - name: Release
-        uses: docker/build-push-action@v2
         # Merge ~ push.
         if: ${{ github.event_name == 'push' || github.event_name == 'schedule' }}
         run: |