ci: remove docker testing branch

7 jobs for master in 5 minutes and 59 seconds (queued for 2 minutes and 23 seconds)
Status Job ID Name Coverage
  Test
passed #14865
coverage

00:01:36

96.56%
passed #14861
isort

00:02:08

passed #14862
migrations

00:03:25

passed #14863
prospector

00:02:32

passed #14864
pylint

00:02:35

 
  Docs
passed #14866
docs

00:01:44

passed #14867
web

00:01:17