It's official: Arsenio Hall is returning to television, partnering with CBS Television Distribution for a late-night talk show.    The project will see the former host of The Arsenio Hall Show reteam  with CBSTVD, whose previous incarnation, Paramount Domestic Television,  oversaw his syndicated late-night talker that ran from 1989-94.      "We're excited to welcome Arsenio back to the family and partnering  on his new, late-night syndicated talk show,” CBSTVD president John Nogawski said  in announcing the news Monday. "Arsenio had a substantial following  with his previous late-night show, and that same 18-34 audience is now  right in the middle of the late-night core audience of 35-54. Years ago,  he transcended time periods and attracted a crossover audience while  bringing a fresh perspective to late night. That same need in the market  exists today as when we originally launched. We are looking forward to  the same success with Arsenio's seasoned expertise...