FIX: prevents double network calls and other quirks on admin emails (#7074)

app/assets/javascripts/admin/routes/admin-email-logs.js.es6

@@ -1,12 +1,8 @@
-import EmailLog from "admin/models/email-log";
-
 export default Discourse.Route.extend({
-  model() {
-    return EmailLog.findAll({ status: this.get("status") });
-  },
-
-  setupController(controller, model) {
-    controller.set("model", model);
-    controller.set("filter", { status: this.get("status") });
+  setupController(controller) {
+    controller.setProperties({
+      loading: true,
+      filter: { status: this.get("status") }
+    });
   }
 });