Is there anything more depressing than the sight of a star being devoured by their own persona? The Incredible Burt Wonderstone spends an hour and forty minutes shamelessly cannibalizing Steve Carell’s Michael Scott shtick, even though it’s been two years since he left The Office; apparently, nobody bothered informing director Don Scardino that the puffed-up incompetent buffoon act grew stale before 2011. The real disgrace here is that Carell really does know how to perform, even if movies like Date Night and Dinner For Schmucks give the opposite impression by building themselves around his most overwrought and inorganic routine- just like Burt Wonderstone does for a hundred shapeless, aimless minutes. Here, Carell plays the titular…