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;
}