public function removeParameterAction()
{
$parameter = $this->navigationManager->getParameter($this->params('parameter'));
$this->assertGranted('navigation.manage', $parameter->getPage());
$this->navigationManager->removeParameter($parameter->getId());
$this->navigationManager->flush();
$this->flashMessenger()->addSuccessMessage('The parameter was successfully removed');
return $this->redirect()->toReferer();
}
