Bug#923793: unyaffs: Please change the homepage of the unyaffs project

[Bernhard Ehlers <contact@b-ehlers.de>]

> Please update the homepage, either to the Git URL
>   https://git.bernhard-ehlers.de/ehlers/unyaffs
> or the (tiny) project page
>   https://www.bernhard-ehlers.de/projects/unyaffs.html

I've abandoned the project, as did the maintainer.
So I recommend to remove this package-


Best regards

Bernhard Ehlers