Lenovo’s ThinkPad X9 drops the TrackPoint No nub here. | Photo by Antonio G. Di BenedettoLenovo has unveiled two new ThinkPads: the X9 14 and X9 15, both Aura Editions equipped with Intel Core Ultra processors and slim designs. But what they don’t offer might be the most interesting thing about them: namely, Lenovo’s signature red TrackPoint. Instead, they use a haptic trackpad without …