Remove unnecessary artifacts

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

00:00:15

 
  Build
passed build #268022

00:00:09

 
  Test
passed test #268023

00:00:13

 
  Deploy
passed gitlab-deploy #268024

00:00:11

passed heroku-deploy #268025

00:04:01