If it was mine, i would not cut it as long as she can perch well and is able to get around just fine. Her connection seems thick and i cannot see the point in hurting the poor thing unless it is effecting her. Most cutting is done because it causes the toe to be bent under or in a direction that...
Do you have a photo so we can see how bad it is, or how it looks. it s/he waling ok, any balance issues?
Personally I cannot find it in my hear to cause pain if they are not having any issues with walking, perching, eating, etc....
Post photos if you can please.
Best Wishes and God Bless