All trust companies organized under the laws of this state which are now required by their charters to keep on deposit with trustees any bonds, stocks or other securities to be held subject to the payment of any judgment which may be rendered against said companies may, upon making a deposit of securities in accordance with the provisions of Section 5-11A-5 withdraw from the custody of said trustees said bonds, stocks or other securities so deposited with said trustees and shall not thereafter be required to maintain any such deposit with trustees, any provisions of the charter of said companies to the contrary notwithstanding.