Using iPhone app, I'd like to repurpose one of the Decos I have but the app appear to provide any way to erase an old "network" so I can start over with any of my units.  The one unit I have, I've reset it to set up as an access point.  I've tried to "remove" all my Decos from the old configuration, but they won't clear from the list.

How can I just delete the whole thing so the app doesn't know a thing about any of my Decos and I can reset them manually and start fresh as if I had just bought them?

Why does the app not forget my network that doesn't exist anymore, when I try to delete it?