Cannot, the bank is the official institution that full supported by the Government's, all done through the bank such as economic policy. bitcoin can't possibly eliminate and make the bank disappear even though used en masse.
That is the main reason why bitcoin can't make the banks disappear because banks are supported by the government and the government is one of the most powerful in the world who can manipulate and dictate something or someone else. Bitcoin can't make banks disappear but it can be an additional option for the banks in accepting payments like what some of the banks already did.