monitoring: Remove the top bar hook

No longer in use.

modules/monitoring/library/Monitoring/Web/Hook/TopBar.php

@@ -1,61 +0,0 @@
-<?php
-// {{{ICINGA_LICENSE_HEADER}}}
-// {{{ICINGA_LICENSE_HEADER}}}
-
-namespace Icinga\Module\Monitoring\Web\Hook;
-
-use Icinga\Web\Hook\TopBarHook;
-use Icinga\Module\Monitoring\DataView\StatusSummary as StatusSummaryView;
-use Icinga\Web\Request;
-use Zend_View;
-
-/**
- * Render status summary into the topbar of icinga
- */
-class TopBar extends TopBarHook
-{
-    /**
-     * Function to generate top bar content
-     *
-     * @param   Request $request
-     *
-     * @return  string
-     */
-    public function getHtml($request)
-    {
-        $hostSummary = StatusSummaryView::fromRequest(
-            $request,
-            array(
-                'hosts_up',
-                'hosts_unreachable_handled',
-                'hosts_unreachable_unhandled',
-                'hosts_down_handled',
-                'hosts_down_unhandled',
-                'hosts_pending'
-            )
-        )->getQuery()->fetchRow();
-
-        $serviceSummary = StatusSummaryView::fromRequest(
-            $request,
-            array(
-                'services_ok',
-                'services_critical_handled',
-                'services_critical_unhandled',
-                'services_warning_handled',
-                'services_warning_unhandled',
-                'services_unknown_handled',
-                'services_unknown_unhandled',
-                'services_pending'
-            )
-        )->getQuery()->fetchRow();
-
-        return $this->getView()->partial(
-            'layout/topbar.phtml',
-            'monitoring',
-            array(
-                'hostSummary'       => $hostSummary,
-                'serviceSummary'    => $serviceSummary
-            )
-        );
-    }
-}