It is not possible do hide the item Nstreme AND the section Nstreme. In the .json file it looks like this:
Nstreme: 0, (item)
Nstreme: { (section)
'Enable Nstreme': 0,
'Enable Polling': 0,
'Disable CSMA': 0,
'Framer Policy': 0,
'Framer Limit': 0,
tab: 0
},
Only the second listed entry is hidden. No matter if it is the item or the section.
I assume the problem is that the name Nstreme as an identifier is used twice. The good thing is that you cannot tick the checkbox of the item which is almost as good as hiding an element.