Fix app icons in homepage settings

Summary: These were blank, from last week's shenanigans.

Test Plan: View homepage settings, see icons.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D16447

src/applications/settings/panel/PhabricatorHomePreferencesSettingsPanel.php

@@ -152,20 +152,12 @@ final class PhabricatorHomePreferencesSettingsPanel
 
       $icon = $application->getIcon();
       if (!$icon) {
-        $icon = 'application';
+        $icon = 'fa-globe';
       }
 
-      $icon_view = javelin_tag(
-        'span',
-        array(
-          'class' => 'phui-icon-view phui-font-fa '.$icon,
-          'aural' => false,
-        ),
-        '');
-
       $item = id(new PHUIObjectItemView())
         ->setHeader($application->getName())
-        ->setImageIcon($icon_view)
+        ->setImageIcon($icon)
         ->addAttribute($application->getShortDescription())
         ->setGrippable(true);