How to Hide YITH WooCommerce Product Bundles Dashboard Widgets

function plt_hide_yith_woocommerce_product_bundles_dashboard_widgets() {
	$screen = get_current_screen();
	if ( !$screen ) {
		return;
	}

	//Remove the "YITH Latest Updates" widget.
	remove_meta_box('yith_dashboard_products_news', 'dashboard', 'normal');
	//Remove the "Latest news from YITH Blog" widget.
	remove_meta_box('yith_dashboard_blog_news', 'dashboard', 'normal');
}

add_action('wp_dashboard_setup', 'plt_hide_yith_woocommerce_product_bundles_dashboard_widgets', 20);

Where do I put this code?