Unify information about keys

[emanuelen5]

There is still information about the old key fobs that needs to be cleaned up and clarified.

• https://medlem.makerspace.se/shop/register
• Product pages https://medlem.makerspace.se/shop/product/2

[philon-]

• [X] Product pages
• [X] Calendar entries
• [X] Calendly page
• [X] Wiki pages
• [X] Wordpress