TrigConfigSvc: Python fixes and cleanup

Enable the flake8 build checker and make code compliant. This fixes also some issues seen in the Python3 build. In addition delete many files that are obsolete.

cc @stelzer

This merge request affects 1 package:

• Trigger/TrigConfiguration/TrigConfigSvc

Adding @mark as watcher

added Trigger master review-pending-level-1 labels

Thanks, @fwinkl, for the cleanup. Looks good to me.

CI Result SUCCESS (hash d6c72e62)

	Athena	AthSimulation
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 5014]

added review-approved label and removed review-pending-level-1 label

merged

mentioned in commit 3b09837f

added sweep:ignore label