Unforgotten: Pete Davidson’s love letter to Staten Island

 Considering a move to Staten Island? Well, if you like bagels, pizza, cops and pills, it just might be the place for you. That’s (part of) the message Saturday Night Live’s Pete Davidson has in his love letter to his home borough, riffing on the 1991 Marc Cohn classic “Walking in Memphis” and aptly named “Walking in Staten,” which premiered on the sketch-comedy show last night. Joining Davidson — one of two Island natives on