fenzo-triggers/src/main/java/com/netflix/fenzo/triggers/TriggerOperator.java
public void deleteTrigger(String triggerGroup, String triggerId) throws TriggerNotFoundException, SchedulerException {
        Trigger trigger = getTrigger(triggerId);
        if (trigger != null) {
            deleteTrigger(triggerGroup, trigger);
        } else {
            throw new TriggerNotFoundException("No trigger found for trigger id: " + triggerId);
        }
    }
public void deleteTrigger(String triggerGroup, String triggerId) throws TriggerNotFoundException, SchedulerException {
        Trigger trigger = getTrigger(triggerId);
        if (trigger != null) {
            deleteTrigger(triggerGroup, trigger);
        } else {
            throw new TriggerNotFoundException("No trigger found for trigger id: " + triggerId);
        }
    }
Deletes/Removes the {@code Trigger}. If it is a {@code ScheduledTrigger} then it is also un-scheduled from
scheduler.

@param triggerId the string that uniquely identifies the {@code Trigger} to be removed
@throws TriggerNotFoundException if there is no {@code Trigger} that matches {@code triggerId}
@throws SchedulerException