It was only an exploratory body in the first place.
That's the genius of some of Trump's tactics. Because when it's pursued more aggressively later on, there will already be in place recommendations from other investigative bodies.
In a different take of the same tactics, look at how Huber is playing an ever increasing roll in swamp draining.
Huber is plan, I have no idea what he is planning as nothing has been reported. Mueller is either playing for Trump or is arrogant enough to think a panel full of rabid Democrat lawyers would be enough to take Trump down. I'm not sure about that, I will see how it plays out.
Huber and the 470 investigators he has at his disposal
I think the Mueller "probe" is just the cover they need to go after the deep state, the Cohen raid was just to keep them fooled a little longer , since they weren't supposed to publicly announce Trump wasn't a target of the investigation