Remove outdated user error description

5 jobs for devel-pre-java9-cleanup in 11 seconds (queued for 5 seconds)
Name Stage Failure
build Build

Total time: 0 seconds
[cmd] sh exited 1
[cont-finish.d] executing container finish scripts...
[cont-finish.d] done.
[s6-finish] syncing disks.
[s6-finish] sending all processes the TERM signal.
[s6-finish] sending all processes the KILL signal and exiting.
ERROR: Job failed: exit code 1