Author: Christian Stimming <[hidden email]>
Date: Wed Feb 13 11:26:39 2019 +0100
Remove ktoblzcheck dependency.
Remove old (non-SEPA) online transaction code, because now in 2019
the banks will only offer SEPA transactions and no others. This
in turn means we don't need the old ktoblzcheck checking functions
at all, hence I remove this dependency completely.