In the event that someone else is wondering what Calatia is. I've seen it referenced in a lot of fan games/hacks/etc, but I didn't realize it was a quasi-canon thing.
You know... iirc, there was a Metroid II fan remake that got took down because of the 3DS game. So if you really want Nintendo to do a Zelda II remake, you should start making it yourself to get the hype train rolling. Then Nintendo will see there's a market for it and send you a DMCA notice. They can't well have you competing with their Zelda II remake.