ISTWCMS-4864: remove mentions of returns since we aren't returning anything

uw_fdsu_theme_resp.theme

@@ -183,9 +183,6 @@ function uw_fdsu_theme_resp_form_system_theme_settings_alter(&$form, FormStateIn
  *
  * @param array $variables
  *   The variables array.
- *
- * @return array
- *   The updated variables array.
  */
 function _uw_fdsu_theme_resp_add_favicons(array &$variables){
   // Remove Drupal's favicon.
@@ -225,7 +222,6 @@ function _uw_fdsu_theme_resp_add_favicons(array &$variables){
     }',
   ];
   $variables['page']['#attached']['html_head_link'][] = [$favicon_manifest];
-  //return $variables;
 }
 
 /**