Apple Inc.’s forthcoming digital video platform will look more like NBC than HBO, as CEO Tim Cook has ixnayed sex, violence and profanity in content developed for the computer giant. Cook pulled the plug on “Vital Signs,” a semi-autobiographical drama based on the life of hip-hop mogul Dr. Dre, because it included scenes of drug use, an orgy and drawn guns, reported The Wall Street Journal. The mandate for more family-friendly fare has resulted in Apple (NASDAQ: AAPL) pulling away from some…