Episode two wasn’t kind to “Skins.”MTV’s racy teenage drama drew 1.6 million for last night’s episode, less than half than the 3.3 million who tuned in a week ago. That one had the benefit of an original “Jersey Shore” lead-in. The network was hoping the controversy raised by the Parents Television Council would actually help draw viewers, but that wasn’t the case. So far, the show has lost a handful of advertisers, including Schick, General Motors, Subway, H&R Block, Taco Bell and Wrigley. In the 18-34 demo, the numbers all fell precipitously as well. While the skein garnered a 2.7 rating a week ago, last night’s episode generated only a 1.