chore(build): remove buildx step

Author: o-orand

.github/workflows/docker-image.yml

@@ -31,11 +31,6 @@ jobs:
         registry: ghcr.io
         username: ${{ github.repository_owner }}
         password: ${{ secrets.GITHUB_TOKEN }}
-    -
-      # Setting up Docker Buildx with docker-container driver is required
-      # at the moment to be able to use a subdirectory with Git context
-      name: Set up Docker Buildx
-      uses: docker/setup-buildx-action@v2
     -
       name: publish concourse-pipeline-resource standard image
       uses: docker/[email protected]