How to hide the country field with CheckoutWC

hide-country-field.php

<?php
add_filter( 'woocommerce_default_address_fields', 'custom_override_default_address_fields', 100000 + 100 );

function custom_override_default_address_fields( $fields ) {
	$fields['country']['class']    = array( 'cfw-force-hidden' );
	$fields['country']['columns']  = 0;
	$fields['postcode']['columns'] = 6;
	$fields['state']['columns']    = 6;

	return $fields;
}