/**
  * 
  * @desc Very dangerous to use because it will delete everything related to a members's 
  * @desc class_id such as DMC's in acdemics etc
  * @deprecated
  * @param unknown_type $member_id
  * @param unknown_type $class_ids
  */
 private function deleteClassInfo($member_id, $class_ids)
 {
     $student = new Core_Model_Member_Student();
     $student->setMember_id($member_id);
     return $student->deleteClassInfo($class_ids);
 }