fuck it just let it do its thing why not? It looks like shes a twelve or 10 week strain seeing as that pic is from 5th week.
Anyways yeah. Finish growing her, you never know. Besides It would be a shame to get rid of a plant for such a stupid reason. You put all that time and hard work in, so take some pride in your plant and see it through to the end lol
Even if its still not that great of weed, each time you grow its a different experience, and thats what its about