Removed Debug line from gitlab-ci

.gitlab-ci.yml

@@ -4,7 +4,6 @@ docker-build:
   services:
     - docker:dind
   before_script:
-    - echo "username $HARBOR_USERNAME"
     - docker login -u $HARBOR_USERNAME -p $HARBOR_PASSWORD harbor.cloud.infn.it
   # Default branch leaves tag empty (= latest tag)
   # All other branches are tagged with the escaped branch name (commit ref slug)