lib: Remove UserNavigationItemRenderer

library/Icinga/Application/Web.php

@@ -293,10 +293,7 @@ class Web extends EmbeddedWeb
                     'label'     => $this->user->getUsername(),
                     'icon'      => 'user',
                     'url'       => 'preference',
-                    'priority'  => 900,
-                    'renderer'  => array(
-                        'UserNavigationItemRenderer'
-                    ),
+                    'priority'  => 900
                 ),
                 'logout' => array(
                     'cssClass'  => 'user-nav-item',

library/Icinga/Web/Navigation/Renderer/UserNavigationItemRenderer.php

@@ -1,26 +0,0 @@
-<?php
-/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
-
-namespace Icinga\Web\Navigation\Renderer;
-
-use Icinga\Web\Navigation\NavigationItem;
-
-class UserNavigationItemRenderer extends NavigationItemRenderer
-{
-    public function getAvatar()
-    {
-        // Temporarily disabled as of layout issues. Should be fixed once
-        // we have avatars
-        return '';
-
-        return '<img class="pull-left user-avatar"
-                     src="/icingaweb2/static/gravatar?email=icinga%40localhost"
-                     alt="Avatar"
-                     aria-hidden="true">';
-    }
-
-    public function render(NavigationItem $item = null)
-    {
-        return '<div class="clearfix">' . $this->getAvatar() . parent::render($item) . '</div>';
-    }
-}