Revert "Resolve "Implement new hybrid tracker""

.gitignore

.gitlab-ci.yml

CMakeLists.txt

athena.xml

compact/central_tracker.xml

compact/central_tracker_hybrid_v2.xml

compact/definitions.xml

compact/display.xml

compact/display_geoviewer.xml

compact/drich.xml

compact/ecal_barrel.xml

compact/ecal_barrel_interlayers.xml

compact/gem_tracker_endcap.xml

compact/materials.xml

compact/mrich.xml

compact/mrich_alt.xml

compact/pid_config_canyonlands.xml

compact/subsystem_views/calorimeters.xml

compact/subsystem_views/inner_detector.xml

compact/subsystem_views/inner_tracking_only.xml