Remove dep. check

- need to replace with better solution
3 jobs for 2.1-dev in 3 minutes and 10 seconds (queued for 3 seconds)
Status Name Job ID Coverage
  Test
passed whats-open-py2.7 #3630

00:02:00

passed whats-open-py3.5 #3631

00:02:07

passed whats-open-py3.6 #3632

00:01:30