Remove unnecessary artifacts

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

00:00:10

 
  Build
passed #265566
build

00:00:09

 
  Test
passed #265567
test

00:00:11

 
  Deploy
passed #265568
gitlab-deploy

00:00:11

passed #265569
heroku-deploy

00:06:04