[DF][NFC] Remove section title that's now not needed
[DF][NFC] Remove section title that's now not needed

We used it to break between user guide and reference,
but the pythonization box now serves that same purpose.

olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root