Update listening to token changes in saver
Update listening to token changes in saver

We don't need to define a watch behind - getting notified
on a `tokenChange` event is all it takes.

Masoumeh/arethusa,PonteIneptique/arethusa,Masoumeh/arethusa,fbaumgardt/arethusa,fbaumgardt/arethusa,latin-language-toolkit/arethusa,latin-language-toolkit/arethusa,fbaumgardt/arethusa,alpheios-project/arethusa,PonteIneptique/arethusa,alpheios-project/arethusa,alpheios-project/arethusa