// These are actions you can unhook/remove!
add_action( 'woocommerce_before_cart', 'woocommerce_output_all_notices', 10 );
add_action( 'woocommerce_cart_collaterals', 'woocommerce_cross_sell_display' );
add_action( 'woocommerce_cart_collaterals', 'woocommerce_cart_totals', 10 );
add_action( 'woocommerce_proceed_to_checkout', 'woocommerce_button_proceed_to_checkout', 20 );