Direct AJAX add to Cart on Simple Products without Extras

You can use the following snippet to your functions.php on your child theme to disable the popup on simple products without extra options

add_filter('woofood_skip_popup_simple_without_extra', 'woofood_hook_skip_popup_when_simple_product');

function woofood_hook_skip_popup_when_simple_product()
{
	return true;
}