I cut some fan leaves off in the last week that are covering the tops of the lower buds. I usually don't cut them all off, but if I can't bend them or move them and they are blocking a lot of light, then I take them off. usually the ones that are being taken off have already turned color so they are of little use. I have seen many plants truck along in the same fashion the last week of flowering with most of their leaves taken off. Depends on the plant genetics.