Removed unnecessary stylesheet that was causing deprecation notices.

3 jobs for issue#4015 in 5 minutes and 52 seconds (queued for 1 second)
Status Job ID Name Coverage
  Unit
passed #6437
phpunit

00:01:16

 
  Acceptance
passed #6445
juice
codeception

00:04:35

failed #6438
juice
codeception

00:03:03