Merge pull request #3414 from georgemillo/patch-1

Remove unnecessary local variable from RegistrationsController

app/controllers/devise/registrations_controller.rb

@@ -14,9 +14,9 @@ class Devise::RegistrationsController < DeviseController
   def create
     build_resource(sign_up_params)
 
-    resource_saved = resource.save
+    resource.save
     yield resource if block_given?
-    if resource_saved
+    if resource.persisted?
       if resource.active_for_authentication?
         set_flash_message :notice, :signed_up if is_flashing_format?
         sign_up(resource_name, resource)