delete obsolete images

2 jobs for master in 2 minutes and 58 seconds (queued for 1 second)
Status Name Job ID Coverage
  Test
canceled build #64744

00:02:57

failed format #64743

00:00:17

 
Name Stage Failure
failed
format Test
 * [new branch]      master              -> origin/master
Checking out c2ef172b as master...

Skipping Git submodules setup
$ test -f /builds/setup.cfg || ln -s /root/setup.cfg /builds
$ test -f /builds/.clang-format || ln -s /root/.clang-format /builds
$ flake8 .
./dashboard/middleware.py:5:1: F401 'django.http.HttpResponseForbidden' imported but unused
ERROR: Job failed: exit code 1