[DOC] Replace archived rapidsai/notebooks repo from our user guide page

[taureandyernv]

Report incorrect documentation

Location of incorrect documentation
https://github.com/rapidsai/docs/edit/main/user-guide/user-guide.md

Describe the problems or issues found in the documentation
We recently archived rapidsai/notebooks, can we remove this from our user guides page? should we do direct links to each repo's notebooks folder?

cc @exactlyallan