Go on github instructions are up to date. That why you have so many problems.I followed you hints, thank you for this post.
Probably depending on Version I do have some failures because it is not installed.
and for one package I get:
Nevertheless I have still >300 packages and in settings/apps I can found still a lot of things I don't want, as "AR Zone", "Finder", "Private Share", "Reminder" - what is it for?, "Samsung Visit in", "Secure WLAN".
I will check for that. How did you do that - by trial and error?
What is responsible for OTA-Updates, that I think we shoud keep.