Deactivate microSD card orders for non-admin accounts

[Popolechien]

Practice has shown that we cannot economically ship on-demand cards, that people get mixed up between the two offers, and most importantly that orders are usually made by email.

I would therefore suggess that the ability to order physical microSD cards be disabled for regular users (ideally not even shown).

[kelson42]

We need that anyway, but this will be done properly based on voucher. I don't really believe this should be based on the user levels.