this.deleteMember(subj, Group.getDefaultList());
this.deleteMember(subj, getDefaultList());
  public void deleteMember(Subject subj)    throws  InsufficientPrivilegeException,            MemberDeleteException  {    try {      this.deleteMember(subj, Group.getDefaultList());    }    catch (SchemaException eS) {      throw new MemberDeleteException(eS.getMessage());    }  } // public void deleteMember(subj)