The following code snippets will disable Today option from Delivery or Pickup date options

For Pickup

add_filter('woofood_enable_today_date_pickup', function() {
	
	
	return false;
});

For Delivery

add_filter('woofood_enable_today_date_delivery', function() {
	
	
	return false;
});

Copy and paste the following snippets under your functions.php on your child theme .