autocomplete.js fix tag duplicate filtering

Apparently returning the result of an indexOf in the filter callback
doesn't correctly evaluate to true or false... This seems to work
0 jobs for feature-s/cleaner_public_tags
yaml invalid

Found errors in your .gitlab-ci.yml:

  • deploy_review job: on_stop job stop_deploy is not defined
You can also test your .gitlab-ci.yml in CI Lint