NSAC doesn't appear to be willing to take further steps at this moment, nor is the UFC.
Probably going to blow over just like the carcrash whilst under influence (aside from the 'haters' remembering) and not impact his career since he made the right PR statements by admitting guilt and going into rehab (even if that just comes down to him doing coke behind closed doors).

Guy is still young, sells fights, and is unlikely to be thrown under the bus whereas characters such as Matt Riddle were more easily 'cut'.
Just smile and wave boys, just smile and wave.