ci(azure-pipelines): replace backend image build with dummy script to stop unnecessary load

azure-pipelines.yaml

@@ -65,16 +65,7 @@ jobs:
       inputs:
         targetType: inline
         script: |
-          cp docker/backend/Dockerfile .
-          docker build \
-          --build-arg FROM_IMG=devfra.azurecr.io/de.fraport.build/haskell \
-          --build-arg HTTPS_PROXY=http://proxy.frankfurt-airport.de:8080 \
-          --build-arg HTTP_PROXY=http://proxy.frankfurt-airport.de:8080 \
-          --build-arg NO_PROXY='localhost,127.0.0.1,*.docker.internal,*.azmk8s.io,devfra.azurecr.io,devfra.westeurope.data.azurecr.io' \
-          --build-arg MOUNT_DIR=$(Build.Repository.LocalPath) \
-          --build-arg PROJECT_DIR=/fradrive \
-          --tag backend:$(Build.BuildNumber) \
-          .
+          echo "DUMMY BACKEND BUILD"
     - task: Docker@2
       name: dockerLogoutDevFra
       displayName: Docker Logout from devfra