Looks good. I'd leave the ash pan, but get rid of the lip around the edge as it makes it harder do dump the ashes off it. Cut the catch pan so it's about 2" clearance around the inner diameter or the drum leaving no lip, then the ashes will slide right off when tilted.
UDS, Akorn, Weber Red Head Kettle, Drum Grill, Gasser w/cobwebs all over it. I'm JD.