Im very far from being an expert but ive trimmed mine twice during flower
Once at 3ish weeks before pk
Pretty much took the rest off 10 days later... wet climate atm and i dont want the rot
I wouldnt have done it a second time to increase light lower down unless the leaves looked poorly. If in doubt leave it is my opinion. If you think your within 21 days of harvest and its healthy with no envisaged issues i'd leave it alone tbh.
Also ref pk, maybe lower dosage or swap to a bloom with lower pk, monitor and adjust.
Wish you all the best!