Enable flake8 and delete obsolete `python/dataXY*.py` config files.
Keep `data09_2TeV.py` and `data09_calophys.py` as those are required by
the web display.

Hass AbouZeid authored 8 years ago and Tim Martin committed 7 years ago

Dqc build binary configs

See merge request !611

Former-commit-id: 2234287b