Drop Python 2 tests

We are going to drop Python 2 completely.
3 jobs for v0.4 in 35 seconds (queued for 6 seconds)
latest
Status Job ID Name Coverage
  Test
passed #227748
pytest

00:00:18

 
  Pages
passed #227749
pages

00:00:16

 
  Deploy
passed pages:deploy

00:00:00