fix(coding-style): linting changes reverted to be consistent with existing style

assets/javascripts/discourse/helpers/format-curency.js.es6

@@ -1,6 +1,6 @@
 // TODO: typo in this helper name: currency not curency.
-export default Ember.Helper.helper(function (params) {
-  let currencySign
+export default Ember.Helper.helper(function(params) {
+  let currencySign;
 
   switch (Discourse.SiteSettings.discourse_subscriptions_currency) {
     case "EUR":
@@ -17,4 +17,4 @@ export default Ember.Helper.helper(function (params) {
   }
 
   return [currencySign, params[0]].join("");
-})
+});

assets/javascripts/discourse/helpers/format-currency.js.es6

@@ -1,22 +1,22 @@
-export default Ember.Helper.helper(function (params) {
-  let currencySign
+export default Ember.Helper.helper(function(params) {
+  let currencySign;
 
   switch (params[0]) {
-    case 'EUR':
-    case 'eur':
-      currencySign = '€'
+    case "EUR":
+    case "eur":
+      currencySign = "€";
       break
-    case 'GBP':
-    case 'gbp':
-      currencySign = '£'
+    case "GBP":
+    case "gbp":
+      currencySign = "£";
       break
-    case 'INR':
-    case 'inr':
-      currencySign = '₹'
+    case "INR":
+    case "inr":
+      currencySign = "₹";
       break
     default:
-      currencySign = '$'
+      currencySign = "$";
   }
 
-  return currencySign + params.map((p) => p.toUpperCase()).join(' ')
-})
+  return currencySign + params.map(p => p.toUpperCase()).join(" ");
+});