Rename .js.es6 to .js in the admin application

app/assets/javascripts/admin/controllers/admin-backups-logs.js

@@ -0,0 +1,13 @@
+import { alias } from "@ember/object/computed";
+import Controller, { inject as controller } from "@ember/controller";
+
+export default Controller.extend({
+  adminBackups: controller(),
+  status: alias("adminBackups.model"),
+
+  init() {
+    this._super(...arguments);
+
+    this.logs = [];
+  }
+});