Delete a notification from CommonSense.
            
            @param notification_id (int) - Notification id of the notification to delete.
            
            @return (bool) - Boolean indicating whether NotificationsDelete was successful.

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