Always remove only the leaves that disturb the plant in the sense that they cast shadows or later cover flowers when it comes into bloom. You'll quickly notice where large buds form, and if you can't get them into the light, they won't grow as well. If the leaves aren't casting shadows, then let them grow.
I would remove the small buds that come at the bottom, the so-called popcorn buds, so the plant can put more energy into the larger ones.
I defoliate from the start and do LST a bit differently than you, but your technique looks interesting too.