Revert "Issue #11: Used default theme favicon instead of administrati…

…ve theme favicon."

This reverts commit 4a9d9ac.

d8.profile

@@ -5,7 +5,6 @@
  * Basis for the site on Drupal 8.
  */
 
-use Drupal\Component\Utility\UrlHelper;
 use Drupal\Core\Form\FormStateInterface;
 use Drupal\Core\Database\Database;
 use Drupal\Core\Url;
@@ -40,24 +39,3 @@ function _d8_user_login_form_submit(array &$form, FormStateInterface $form_state
     $form_state->setRedirectUrl(Url::fromUserInput($path));
   }
 }
-
-/**
- * Implements hook_page_attachments_alter().
- */
-function d8_page_attachments_alter(array &$attachments) {
-  $theme = \Drupal::config('system.theme')->get('default');
-
-  if ($theme != \Drupal::theme()->getActiveTheme()->getName() && theme_get_setting('features.favicon') && !empty($attachments['#attached']['html_head_link']) && is_array($attachments['#attached']['html_head_link'])) {
-    foreach ($attachments['#attached']['html_head_link'] as &$links) {
-      if (!empty($links) && is_array($links)) {
-        foreach ($links as &$link) {
-          if (!empty($link) && is_array($link) && !empty($link['rel']) && $link['rel'] == 'shortcut icon' && !empty($link['type']) && $link['type'] == theme_get_setting('favicon.mimetype') && !empty($link['href'])) {
-            $favicon = theme_get_setting('favicon.url', $theme);
-            $link['href'] = UrlHelper::stripDangerousProtocols($favicon);
-            return;
-          }
-        }
-      }
-    }
-  }
-}