Remove unnecessary artifacts

5 jobs for master in 6 minutes and 47 seconds (queued for 1 minute and 47 seconds)
Status Name Job ID Coverage
  .Pre
passed style #265565

00:00:10

 
  Build
passed build #265566

00:00:09

 
  Test
passed test #265567

00:00:11

 
  Deploy
passed gitlab-deploy #265568

00:00:11

passed heroku-deploy #265569

00:06:04