Michael Schneider Variety Editor at Large The dark prince of the unscripted world is plotting his next chapter: Mike Darnell is exiting Warner Bros. Television Group after a decade with the studio, a move he decided to make after a restructuring would have altered his role at the company. Darnell, who had served as president of unscripted television for Warner Bros., and Warner Bros. Television Group chairman/CEO Channing Dungey were set to announce the change on Thursday. As part of the new structure, Darnell won’t be replaced; instead, the alternative and unscripted divisions that reported to Darnell will now report directly to Dungey. Darnell had a year left in his current contract with the studio.