MAGETWO-91658: Wrong Checkout Totals Sort Order in cart

- Fixed issue with incorrect totals sorting on cart page;

Author: Alexey Yakimovich

app/code/Magento/SalesRule/view/frontend/layout/checkout_cart_index.xml

@@ -13,14 +13,10 @@
                     <item name="components" xsi:type="array">
                         <item name="block-totals" xsi:type="array">
                             <item name="children" xsi:type="array">
-                                <item name="before_grandtotal" xsi:type="array">
-                                    <item name="children" xsi:type="array">
-                                        <item name="discount" xsi:type="array">
-                                            <item name="component" xsi:type="string">Magento_SalesRule/js/view/cart/totals/discount</item>
-                                            <item name="config" xsi:type="array">
-                                                <item name="title" xsi:type="string" translate="true">Discount</item>
-                                            </item>
-                                        </item>
+                                <item name="discount" xsi:type="array">
+                                    <item name="component" xsi:type="string">Magento_SalesRule/js/view/cart/totals/discount</item>
+                                    <item name="config" xsi:type="array">
+                                        <item name="title" xsi:type="string" translate="true">Discount</item>
                                     </item>
                                 </item>
                             </item>