Redirect to v1 plans page from v2

services/web/app/coffee/Features/Subscription/SubscriptionRouter.coffee

@@ -9,7 +9,10 @@ module.exports =
 	apply: (webRouter, privateApiRouter, publicApiRouter) ->
 		return unless Settings.enableSubscriptions
 
-		if !Settings.disablePlansPage
+		if Settings.overleaf?
+			webRouter.get  '/user/subscription/plans', (req, res) ->
+				res.redirect "#{Settings.overleaf.host}/plans"
+		else
 			webRouter.get  '/user/subscription/plans', SubscriptionController.plansPage
 
 		webRouter.get  '/user/subscription',            AuthenticationController.requireLogin(), SubscriptionController.userSubscriptionPage