Remove BalanceResponse field that carried the list of lock account since it
ceased to be externally controlled and is now managed by Smart Contract.
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
Change the type of all fields for identifier of the container owner to
refs.OwnerID. This will allow you to follow a single format and not duplicate
its description.
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>