If you don't have CWPpro then you would need to deactivate php/php-fpm selector for all your sites.
in CWP.admin left menu go to WebServer Settings --> Select WebServers
at bottom uncheck "Force Apache to use PHP-FPM Selector"
If you have used per domain conf then you would also need to make changes there
in CWP.admin left menu go to WebServer Settings --> WebServers Domain Conf
select users who have active fpm and use button "Delete Configuration" or make changes to not use php-fpm by selecting php-cgi-
Edit all .htaccess files and remove the custom lines starting like