Reinstate json response config

config/initializers/wrap_parameters.rb

@@ -9,6 +9,6 @@ ActiveSupport.on_load(:action_controller) do
 end
 
 # To enable root element in JSON for ActiveRecord objects.
-# ActiveSupport.on_load(:active_record) do
-#   self.include_root_in_json = true
-# end
+ActiveSupport.on_load(:active_record) do
+  self.include_root_in_json = false
+end