remove irrelevant and broken workflow

Author: marc-hanheide

.github/workflows/docker-build-image.yml

@@ -66,11 +66,3 @@ jobs:
             BASE_IMAGE=${{ matrix.base_image }}
             BRANCH=${{ env.BRANCH }}
             ROS_DISTRO=${{ matrix.ros_distro }}
-
-    - name: Docker Login AOC
-      if: ${{ github.event_name != 'pull_request' }}
-      uses: docker/login-action@v3
-      with:
-        registry: aoccr.zrok.lcas.group
-        username: ${{ secrets.AOC_REGISTRY_PUSHER }}
-        password: ${{ secrets.AOC_REGISTRY_TOKEN }}