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@unl0ckd can you boot from a rescue and roll back the package that broke 2fa?

@nilix Thanks for the suggestion!

The built-in rescue (in grub) fails:

Cannot open access to console, the root account is locked.

I haven't had the time yet to try booting from a live image.

@unl0ckd Yeah no problem! You should be able to do a rollback by chrooting in from a live image.

@nilix This worked!

Here's a note to my future self (or anyone that's run into this):

From Fedora 34 liveUSB

1. Unlock the btrfs boot volume using Files. This should be mounted at `/run/media/liveuser/fedora_localhost-live`

2. Elevate privileges to root using `su -`

3. As root, start a chroot to the system btrfs subvolume with `chroot /run/media/liveuser/fedora_localhost-live/@`

4. Remove the MFA configuration as performed above with `authselect select minimal`

@nilix Also, lesson learned: I'm creating a separate admin user for use in these situations