Revert "have account urls on root"
Revert "have account urls on root"

This reverts commit 75edb48920af06d5938c4d475e8fc7347396ecdb.

The redirect after account activation points to `/accounts/login` and I
did not find a way to change this.

liqd/a4-meinberlin,liqd/a4-meinberlin,liqd/a4-meinberlin,liqd/a4-meinberlin