LELAND, N.C. (WWAY) — North Brunswick continued its recent success against county rival South Brunswick on Thursday night, shutting out the Cougars 31-0. The Scorpions entered the matchup having held the upper hand in the rivalry for several years, and North Brunswick remained in control throughout the game. In the third quarter, South Brunswick freshman quarterback Kaelum Grainger went to the air, but North Brunswick’s MJ Smith stepped in front…