Before we could say like that, the banking system at whole can't be eliminated. But in the last 10 years
with introducing crypto-currencies I think we can say that there's a possibility for us to eliminate banks
as whole, we will not need them in the future if all people accept crypto-currencies. We can deal directly
with each others, we will get paid for work directly, there will be no need for third party services like banks
are.
Even if people accept cryptocurrency in the future, we will never see a country or the world without banks.
It will keep on going since as people said at the top, we can't live without loans being given by these banks. There might be those people that don't use banks but they are forces to use it since some of the help of the government in the country is being transacted there, here in our country, we have what we call 4Ps. They provide money for poor people and they send it through ATM cards. This is just one of the many examples banks can do and I don't think it will be that easy to eliminate them though as you said, there is a possibility but that possibility is slim.