You can’t delete (or add) users directly in SignatureSatori.
In order to remove users from the app, you need to
- Delete them in G Suite and then click “G Suite Data Sync (Add/remove Users)” in the Users menu.
2. You'll be now prompted to confirm your choice.
3. The synchronization will now be performed, new users will be added and the ones deleted in G Suite displayed above the list of Users awaiting your confirmation:
4. Voila, the user's gone!
You can find more information about Reload modes here