Remove redundant condition from users controller update

This is already checked in the pundit policy. No need to do this twice.

src/api/app/controllers/webui/users_controller.rb

@@ -73,7 +73,7 @@ def update
     else
       authorize [:webui, @displayed_user], :update?
 
-      assign_common_user_attributes if @configuration.accounts_editable?(@displayed_user)
+      assign_common_user_attributes
       assign_admin_attributes if User.admin_session?
     end