on sale page remove double results on page

/*
this code snippet should go to child theme functions.php

code snippet removes double WooCommerce archive page results on the top

*/

add_action( 'init', 'custom_removing_onsale' );
function custom_removing_onsale(){
    remove_action( 'woocommerce_before_shop_loop','woocommerce_result_count', 30 );
}