removed + in echo

.gitlab-ci.yml

@@ -14,7 +14,7 @@ build: #This will be executed on every push. It builds an docker image, which is
   except:
     - master
   script:
-    - echo "building for branch $CI_COMMIT_REF_NAME"
+    - echo "building for branch $CI_COMMIT_REF_NAME, current date:" `date`
     - sudo docker image prune -f #Delete old unused images
     - sudo docker pull python:3
     - sudo docker build -t gitlab.jonasled.de/jonasled/url_shorter_docker:$CI_COMMIT_REF_NAME . #Build the image with the name already set to push