Ok, following the directions for 2FA removal on https://wikitech.wikimedia.org/wiki/Password_reset, I ran the following on silver:

sudo -i sql --write labswiki
select user_id from user where user_name='Zppix'

got the uid for the next command

delete from oathauth_users where id=7898;

So the 2FA is now completely removed. Please re-enable it to allow resumed access to labs control panels and dashboards. Please also note your 5 one time use passcords, which can be used to reset 2FA without operations intervention.