/**
  * deletes a classifier
  * *
  */
 public function deleteClassifierAction()
 {
     $this->_helper->layout->disableLayout();
     $this->_helper->viewRenderer->setNoRender();
     if (!$this->getRequest()->isPost()) {
         return;
     }
     $classifier_id = $this->getRequest()->getPost('classifier_id');
     $matterModel = new Application_Model_Matter();
     echo $matterModel->deleteClassifier($classifier_id);
 }