To paraphrase one Theodor Seuss Geisel, don't cry because it's over, smile because we got Talladega Nights and Step Brothers out of it. Deadline reports that longtime creative partners Will Ferrell and Adam McKay are officially heading off in different directions. No word on whether this decision came immediately after McKay saw Holmes & Watson, or after Ferrell watched Vice. The duo released a joint statement: “The last 13 years could not have been more enjoyable and satisfying for the two of us at Sanchez Productions. We give massive thanks to our incredible staff and executives and all …