Make rubocop happy

Make rubocop happy

diff --git a/app/controllers/discourse_subscriptions/user/subscriptions_controller.rb b/app/controllers/discourse_subscriptions/user/subscriptions_controller.rb
index 7155db3..6eb661f 100644
--- a/app/controllers/discourse_subscriptions/user/subscriptions_controller.rb
+++ b/app/controllers/discourse_subscriptions/user/subscriptions_controller.rb
@@ -51,7 +51,7 @@ module DiscourseSubscriptions
         # we cancel but don't remove until the end of the period
         # full removal is done via webhooks
         begin
-          subscription = ::Stripe::Subscription.update(params[:id], { cancel_at_period_end: true, } )
+          subscription = ::Stripe::Subscription.update(params[:id], { cancel_at_period_end: true, })
 
           if subscription
             render_json_dump subscription

GitHub sha: 6ce6e85e