Suppress Marketing Notices

<?php

/*
 * Add this in functions
 */

// -- WooCommerce - Hide product upsells admin notes
add_filter('woocommerce_product_related_posts_query', '__return_empty_array', 100);
remove_action( 'woocommerce_after_single_product_summary', 'woocommerce_output_related_products', 20 );

// -- JetPack - Hide product upsell admin notices
add_filter( 'jetpack_just_in_time_msgs', '__return_false' );