any defective leaf remove…. all that garbage in the middle remove. What I would do is take off a few of those middle, tiny little branched leaves, let it grow out remove some more of that garbage and in a couple weeks you'll have a nice looking plant. Also if you're going to be growing just 1 plant you want to top it sooner than later, topping it too late will produce a top heave plant. Take your time, don't rush this, spending a couple extra weeks vegging her out will result in awesome plants.
She certainly looks like she's just starting to get healthy so do you work and get her pretty…. for tips on where / how to trim search here for lollipop ping.