Looks like they're just getting rid of it for now. They added this note to http://www.skype.com/en/premium/ http://www.skype.com/en/premium/: Now that group vi

Looks like they're just getting rid of it for now. They added this note to http://www.skype.com/en/premium/ http://www.skype.com/en/premium/: Now that group video calls are free for everyone, we’ve removed Premium to give it a refresh. But don’t worry, you can still call phones worldwide at great low rates with our subscriptions.