Update Docker workflow

Author: mikhail-vl

.github/workflows/docker.yml

@@ -23,22 +23,6 @@ jobs:
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Build linux/amd64
-        id: docker_build
-        uses: docker/build-push-action@v2
-        with:
-          context: .
-          file: ./Dockerfile
-          platforms: linux/amd64
-
-      - name: Build linux/arm64
-        id: docker_build_arm64
-        uses: docker/build-push-action@v2
-        with:
-          context: .
-          file: ./Dockerfile
-          platforms: linux/arm64
-
       - name: Push images
         id: docker_push
         uses: docker/build-push-action@v2