Remove process_event methods
Remove process_event methods

They were included in mail_tracking module
ecino/compassion-modules,maxime-beck/compassion-modules,eicher31/compassion-modules,CompassionCH/compassion-modules,CompassionCH/compassion-modules,CompassionCH/compassion-modules,eicher31/compassion-modules,ecino/compassion-modules,maxime-beck/compassion-modules,emgirardin/compassion-modules,ecino/compassion-modules,eicher31/compassion-modules,ecino/compassion-modules,eicher31/compassion-modules,ecino/compassion-modules,emgirardin/compassion-modules,maxime-beck/compassion-modules,eicher31/compassion-modules,CompassionCH/compassion-modules,emgirardin/compassion-modules,maxime-beck/compassion-modules