Option to "Replace recovery key" is no longer available on the website
So I decided to turn on two-factor notification for my Apple devices. Since my iPad 2 is still on iOS6 (for productivity reasons), it asks me for a recovery key. Instructions on Apple's website send me to the appleID page, where I can presumably replace my lost key. The cool thing is that the option is no longer on the page! When I click "Edit" in the Security section, I see no mention of said recovery key.
Anyone else with this issue?
iPad 2