code: func (eventStream *EventStream) Unsubscribe(name string) {
  	eventStream.handlersLock.Lock()
  	defer eventStream.handlersLock.Unlock()
  
  	for handler := range eventStream.handlers {
  		if handler == name {
  			seelog.Debugf("Unsubscribing event handler %s from event stream %s", handler, eventStream.name)
  			delete(eventStream.handlers, handler)
  			return
  		}
  	}
  }
docs: // Unsubscribe deletes the handler from the EventStream