Doubt the IP will have to come off. It might be tight in there, especially on a 'fender. Bolts may be more accessible through the wheel arch with a long extension .... ?
Plus, IME, Rave is pretty good, ( though not foolproof ), at telling you what's necessary to do job "X", so if it doesn't say remove "A" as part of job "X", then you probably don't have too.