Julian Lam aa8faf58a0 refactor: remove /users/{uid}/settings/{setting} route
@baris Also, I am now allowing the following properties to be saved in User.saveSettings:
- categoryTopicSort
- topicPostSort
- setCategorySort
- setTopicSort
..
uid refactor: remove /users/{uid}/settings/{setting} route
uid.yaml fix(writeapi): tests