Hide the quantity field on the WooCommerce cart page

functions.php

<?php
/*
 * For the following plugins:
 * The Events Calendar, Event Tickets, Event Tickets Plus, WooCommerce
 * 
 * The function hides the quantity form field from the cart page
 * so users cannot change the product / ticket quantity there.
 * It shows the number as plain text.
 * Note: it only allows you to put 1 of all products in the cart!!!
 * Useful if you are collecting attendee information with Event Tickets Plus
 * Add to your child theme's functions.php file
*/

function wc_remove_quantity_field_from_cart( $return, $product ) {
	if ( is_cart() ) return true;
}
add_filter( 'woocommerce_is_sold_individually', 'wc_remove_quantity_field_from_cart', 10, 2 );