I see what you mean.
The basis for this latest incarnation has been around (by default) for some time, but one could invoke the original style by using: maps.google.co.uk/maps?hl=en&tab=wl&output=classic
But that no longer seems to work. Maybe someone will come up with another work-around?
One has to face the fact that Google wants to control YOUR world. They absolutely want you to do things their way, which includes using the Cloud and storing YOUR information on THEIR servers, which is why they try to "encourage" one to sign-in all the time.