Removes the coupon from a specified cart.
The removeCoupon() function returns a Promise that resolves to the updated cart when the coupon is removed from the specified cart.
function removeCoupon(_id: string): Promise<RemoveCouponResponse>;Cart ID.
import { cart } from "@wix/ecom";
async function removeCoupon(id) {
const response = await cart.removeCoupon(id);
}This method doesn’t return any custom errors, but may return standard errors. Learn more about standard Wix errors.