Delete a group from CommonSense.
            
            @param group_id (int) - group id of group to delete from CommonSense.
            
            @return (bool) - Boolean indicating whether GroupsDelete was successful.

def GroupsDelete(self, group_id):
        """
            Delete a group from CommonSense.
            
            @param group_id (int) - group id of group to delete from CommonSense.
            
            @return (bool) - Boolean indicating whether GroupsDelete was successful.
        """
        if self.__SenseApiCall__('/groups/{0}.json'.format(group_id), 'DELETE'):
            return True
        else:
            self.__error__ = "api call unsuccessful"
            return False