remove-free-from-rsvp.php

<?php
/**
 * Removes the word "Free" when cost is 0 or event is RSVP
 * 
 * Event Tickets Plus
 * @author Trisha Salas
 * 
 * @param $cost
 * 
 * @return string
 */
function tribe_remove_free_from_rsvp( $cost ) {
	if ( $cost == 0 || $cost == 'Free' ) {
		$cost = '';
	}
	return $cost;
}
add_filter( 'tribe_get_cost', 'tribe_remove_free_from_rsvp' );