FacetWP – force-remove the fwp-loop HTML comment tag

<?php

add_action( 'init', function() {
    remove_action( 'loop_start', [ FWP()->display, 'add_template_tag' ] );
    remove_action( 'loop_no_results', [ FWP()->display, 'add_template_tag' ] );
}, 20 );