DEV: Update code for eslint object-shorthand-rule (#93)

See 4f7aba06c0

assets/javascripts/discourse/models/admin-subscription.js.es6

@@ -21,7 +21,7 @@ const AdminSubscription = EmberObject.extend({
 
   destroy(refund) {
     const data = {
-      refund: refund,
+      refund,
     };
     return ajax(`/s/admin/subscriptions/${this.id}`, {
       method: "delete",

assets/javascripts/discourse/models/transaction.js.es6

@@ -3,8 +3,8 @@ import { ajax } from "discourse/lib/ajax";
 export default {
   finalize(transaction, plan) {
     const data = {
-      transaction: transaction,
-      plan: plan,
+      transaction,
+      plan,
     };
 
     return ajax("/s/finalize", { method: "post", data });