Remove double T.nilable before every emptyable field in update methods (stripe#1633)

Author: helenye-stripe

lib/stripe/resources/v2/deleted_object.rb

@@ -4,7 +4,7 @@
 module Stripe
   module V2
     class DeletedObject < APIResource
-      # String representing the object's type. Objects of the same type share the same value of the object field.
+      # String representing the type of the object that has been deleted. Objects of the same type share the same value of the object field.
       attr_reader :object
       # The ID of the object that's being deleted.
       attr_reader :id