removed some left over oss code

settings_callbacks.php

@@ -47,44 +47,3 @@ function enrol_iserv_settings_courses_category_name_updated ($value = "") {
         get_config ('enrol_iserv') -> courses_category
     );
 }
-
-/*
-function enrol_oss_settings_class_category_updated($full_name) {
-    global $CFG;
-
-    require_once $CFG->dirroot.'/enrol/oss/lib.php';
-
-    $config = get_config('enrol_oss');
-    $classcat = enrol_oss_plugin::get_class_category($config);
-    if ( $classcat ) {
-        $classcat->update(array('name' => $config->class_category));
-    }
-}
-
-function enrol_oss_description_updated($groupname, $newvalue) {
-    global $DB;
-
-    $data = new stdClass;
-    $records = $DB->get_records_sql("SELECT g.id, g.courseid, c.shortname FROM {groups} g JOIN {course} c ON g.courseid = c.id WHERE g.name = ? ", array($groupname));
-    foreach($records as $group) {
-        $data->id = $group->id;
-        $data->description = '<p>'.trim($newvalue).' '.$group->shortname.'</p>';
-        $DB->update_record('groups', $data);
-    }
-}
-
-function enrol_oss_settings_class_teachers_group_description_updated($full_name) {
-    $newvalue = get_config('enrol_oss', 'class_teachers_group_description');
-    enrol_oss_description_updated('teachers', $newvalue);
-}
-
-function enrol_oss_settings_class_students_group_description_updated($full_name) {
-    $newvalue = get_config('enrol_oss', 'class_students_group_description');
-    enrol_oss_description_updated('students', $newvalue);
-}
-
-function enrol_oss_settings_class_parents_group_description_updated($full_name) {
-    $newvalue = get_config('enrol_oss', 'class_parents_group_description');
-    enrol_oss_description_updated('parents', $newvalue);
-}
-*/