Crud\Controller\Component\CrudComponent::removeListener PHP Method

    public function removeListener($name)
    {
        $listeners = $this->config('listeners');
        if (!array_key_exists($name, $listeners)) {
            return false;
        }
        if (isset($this->_listenerInstances[$name])) {
            $this->_eventManager->off($this->_listenerInstances[$name]);
            unset($this->_listenerInstances[$name]);
        }
        unset($listeners[$name]);
        $this->_config['listeners'] = $listeners;
    }