DeleteOrderLineItem.js

var OrderItemResource = require('mozu-node-sdk/clients/commerce/orders/orderItem');
var OrderResource = require('mozu-node-sdk/clients/commerce/order');

module.exports = function (context, callback) {
    var orderResource = new OrderResource(context.apiContext);
    orderResource.context['user-claims'] = null;

    var orderItemResource = new OrderItemResource(context.apiContext);
    orderItemResource.context['user-claims'] = null;

    orderResource
        .getOrders({q: "501"})
        .then(function (order) {
            orderItemResource
                .getOrderItemViaLineId({orderId: order.items[0].id, lineId: order.items[0].lineId})
                .then(function (item) {
                    orderItemResource
                        .deleteOrderItem({orderId: order.items[0].id, orderItemId: item.items[0].id})
                        .then(function (order) {
                            console.log(order)
                            callback();
                        })
                        .catch(function (error) {
                            console.error(error);
                            callback();
                        });
                })
                .catch(function (error) {
                    console.error(error);
                    callback();
                });
        });
}