GitLab won't support if you lost your 2FA Code
forum.gitlab.com
forum.gitlab.com
"As of 2020-08-15 GitLab Support is no longer processing requests to disable two-factor authentication for free accounts that do not have a GitLab.com subscription, to safeguard the security of our users".
They probably don't have the resources to assist users who don't support them financially. Fair enough!