Make the python33 template part of python-jobs

* .../files/jenkins_job_builder/config/projects.yaml: Remove the
gate-{name}-python33 template from projects which employ the
python-jobs group.

* .../files/jenkins_job_builder/config/python-jobs.yaml: Add the
gate-{name}-python33 template to the python-jobs group.

Change-Id: Ia745e3205a1be01bd49b44699106d90c7342fae4
Merge "Make the python33 template part of python-jobs"