Proton Pass was never listed on Privacy Guides at any point. You can verify this by checking the history of the Password Managers page: https://github.com/privacyguides/privacyguides.org/commits/main/docs/passwords.md
Proton Pass has not been approved for recommendation. Please see the following discussion that is still active:
https://discuss.privacyguides.net/t/proton-pass-password-manager/12416