Remove wrongly added qfn (manufactuer specific one is in RF lib)
I missed that this one was added accidentally in addition to the manufactuer specific one.
Symbol update https://github.com/KiCad/kicad-symbols/pull/2423 must be merged first.
Discovered in https://github.com/KiCad/kicad-footprints/pull/1913 Script update in https://github.com/pointhi/kicad-footprint-generator/pull/422 Original footprint pull request https://github.com/KiCad/kicad-footprints/pull/1443