Remove python-jobs from pynotedb
Remove python-jobs from pynotedb

pynotedb doesn't support Python 2, so there is no need for
the Python 2 tests to run. The pep8 jobs are added explicitly
since they are still useful.

Change-Id: I226a6792d6e08f6a7a7b8c06650695072495c3a2

openstack-infra/project-config,openstack-infra/project-config