code: def after_unassign(duplicate_analysis):
      
      analysis_events.after_unassign(duplicate_analysis)
      parent = duplicate_analysis.aq_parent
      logger.info("Removing duplicate '{}' from '{}'"
                  .format(duplicate_analysis.getId(), parent.getId()))
      parent.manage_delObjects([duplicate_analysis.getId()])
docs: Removes the duplicate from the system