ISTWCMS-6494: remove unused variable

uw_fdsu_theme_resp.theme

@@ -262,7 +262,6 @@ function uw_fdsu_theme_resp_preprocess_region(&$variables) {
         'uw-menu-global-footer',
         FALSE
       );
-    $test = '';
   }
 
   $variables['language'] = \Drupal::languageManager()->getCurrentLanguage();