INT-18043: Fix code checker remaning issues for 3.11+2

Author: jgg9026

settings/course_settings.php

@@ -86,4 +86,4 @@
 $setting = new admin_setting_configcheckbox($name, $title, $description, 0);
 $snapsettings->add($setting);
 
-$settings->add($snapsettings);
+$settings->add($snapsettings);