Follow to below steps to disable Google Authenticator
1. Login to Plesk panel >> File Manager>> wp-content >> Plugins >> rename google authentication as google authentication_disabled.
You will see google-authenticator in File Manager of Plesk Panel.
1. Login to Plesk panel >> File Manager>> wp-content >> Plugins >> rename google authentication as google authentication_disabled.
Now rename google-authenticator as google-authenticator-disabled
Please check now your Google Authenticator should be disabled successfully.