disable_public_attendee_list.php

/**
 * Disables the public attendee lists on all events
 *
 * Removes the tribe_events_single_event_after_the_meta action that injects the attendee
 * list that was introduced with the initial 4.1 release of Event Tickets Plus
 */
function disable_attendee_list_on_post() {
	if ( ! class_exists( 'Tribe__Tickets_Plus__Attendees_List' ) ) {
		return;
	}
	remove_action(
		'tribe_events_single_event_after_the_meta',
		array(
			Tribe__Tickets_Plus__Attendees_List::instance(),
			'render'
		),
		4
	);
}
add_action( 'wp', 'disable_attendee_list_on_post' );