Remove unnecessary artifacts

5 jobs for master in 4 minutes and 52 seconds (queued for 1 second)
Status Job ID Name Coverage
  .Pre
passed #268021
style

00:00:15

 
  Build
passed #268022
build

00:00:09

 
  Test
passed #268023
test

00:00:13

 
  Deploy
passed #268024
gitlab-deploy

00:00:11

passed #268025
heroku-deploy

00:04:01