Remove ansible-lint from builds

.gitlab-ci.yml

@@ -20,7 +20,7 @@ syntax-test:
   stage: test
   image: python:3.7
   before_script:
-    - pip install ansible ansible-lint --quiet
+    - pip install ansible --quiet
     - ansible-galaxy install -r roles/requirements.yml
   script:
     - ansible-playbook playbook.yml --syntax-check