Remove Order Notes in checkout page

/**

* Snippet Name:     Remove the Order Notes field section from the WooCommerce checkout.

* Snippet Author:   ecommercehints.com

*/

add_filter( 'woocommerce_enable_order_notes_field', '__return_false', 9999 );

add_filter( 'woocommerce_checkout_fields' , 'remove_order_notes' );

function remove_order_notes( $fields ) {

unset($fields['order']['order_comments']);

return $fields;

}