First Madonna dissed New York City, calling it "boring," and now Miss Sex and the City herself is saying it's "not what it used to be." Sarah Jessica Parker may actually be doing us all a favor, however, by discouraging the inevitable flock or Carrie Bradshaw-wannabees from moving to the Big Apple after The Big Movie comes out later this year. SJP told the Daily News that Manhattan is "a really hard city, and it's......