public void deleteRetiree(String mucServiceName, String retireeName) {
        Long serviceID = getMultiUserChatServiceID(mucServiceName);
        Connection con = null;
        PreparedStatement pstmt = null;

        try {
            con = DbConnectionManager.getConnection();
            pstmt = con.prepareStatement(DELETE_RETIREE);
            pstmt.setLong(1, serviceID);
            pstmt.setString(2, retireeName);
            pstmt.executeUpdate();
        } catch (SQLException e) {
            Log.error(e.getMessage(), e);
        } finally {
            DbConnectionManager.closeConnection(pstmt, con);
        }
    }
Deletes a retiree for a MUC room.

@param mucServiceName the name of the MUC service.
@param retireeName the name of the retired room.
xmppserver/src/main/java/org/jivesoftware/openfire/muc/MultiUserChatManager.java