Unhook cart addons from the cart page in WooCommerce

functions.php

add_action( 'woocommerce_after_cart_table', 'wc_ninja_remove_cart_addons', 10 );
function wc_ninja_remove_cart_addons() {
	global $sfn_cart_addons;
	remove_action( 'woocommerce_after_cart_table', array( $sfn_cart_addons, 'cart_display_addons' ), 20 );
}