Kim Kardashian’s boyfriend Pete Davidson said he had a ‘hot date’ in his first commercial for Manscaped’s groin groomer, which dropped Monday. In the 30-second spot, the 28-year-old comedian said he’d been using the $84.99 ‘Lawn Mower 4.0’ pubic hair trimmer ‘long enough to where I think it’s time we went into business together.’ Pete – whose ex-fiancée Ariana …