You are only a week into flowering,that's nothing,you can remove any branches or fan leaves blocking the light of course.But in your case,plant's internodal distance looks short,so I wouldn't remove branches.Only remove some fan leaves and you'll be fine.Just don't remove all the leaves :D you can keep doing it until harvest,only a few leaves each time.Give them some time after defoliating,observe as branches getting bigger and bud sites forming buds,you'll decide better which leaves to remove this way.