Nick Vivarelli International CorrespondentSky Italia executive Nicola Maccanico is stepping down from his post at the Comcast-owned pay-TV to become managing director of Italy’s Istituto Luce-Cinecittà, the state film entity that operates Rome’s expanding Cinecittà Studios.Maccanico’s sudden career move comes as Italy’s Culture Minister Enrico Franceschini is implementing an ambitious relaunch of the iconic studios.