I was playing on my Playstation 4 without a PSN account (for a long time), wanted to create a PSN account, forgot about my email and ceated a dummy email, only to get PSN access. When I realized about my existing email, I did not found a way to change it, so I created a 2nd PSN account (with my official email). I could not switch to my new account, found how to change the email associated with my PSN account. But that do not work since my email is associated with an empty PSN. How can I delete this unused PSN, or merge these 2 PSN into 1, so I can configure my email with my Playstation user?