Controller/Extension: remove obsolete QuickSearch

library/Director/Web/Controller/Extension/QuickSearch.php

@@ -1,33 +0,0 @@
-<?php
-
-namespace Icinga\Module\Director\Web\Controller\Extension;
-
-use ipl\Html\Html;
-
-trait QuickSearch
-{
-    public function quickSearch()
-    {
-        $search = $this->params->get('q');
-
-        $form = Html::tag('form', [
-            'action' => $this->getRequest()->getUrl()->without(array('q', 'page', 'modifyFilter')),
-            'class'  => ['quicksearch', 'inline'],
-            'method' => 'GET'
-        ]);
-
-        $form->add(
-            Html::tag('input', [
-                'type' => 'text',
-                'name' => 'q',
-                'value' => $search,
-                'placeholder' => $this->translate('Search...'),
-                'class' => 'search'
-            ])
-        );
-
-        $this->controls()->add($form);
-
-        return $search;
-    }
-}