CSR-1384: remove outdated code

src/layouts/payment-method/add-vaps-modal-buttons/add-vaps-modal-buttons.vue

@@ -73,21 +73,8 @@ export default {
         },
     },
     computed: {
-        currentCartItems: {
+        currentCartItems() {
-            get: function () {
+            return this.modelValue;
-                return this.modelValue;
-            },
-            set: function (newValue) {
-                // does this.modelValue.vaps have this vap in it already?
-                const inCart = this.currentCartItems.vaps?.some((vap) => {
-                    return vap.partType === "RAIN DEFENSE";
-                });
-                const newCartItems = this.currentCartItems;
-                if (!inCart) {
-                    newCartItems.vaps.push(newValue);
-                }
-                this.$emit("update:modelValue", newCartItems);
-            },
         },
         showAddRainDefense() {
             // show if not in cart