clean up

lib/pleroma/web/mastodon_api/views/push_subscription_view.ex

@@ -6,9 +6,7 @@ def render("push_subscription.json", %{subscription: subscription}) do
     %{
       id: to_string(subscription.id),
       endpoint: subscription.endpoint,
-      alerts: Map.get(subscription.data, "alerts"),
-      # TODO: generate VAPID server key
-      server_key: "N/A"
+      alerts: Map.get(subscription.data, "alerts")
     }
   end
 end