STOCKTON — A pedestrian was shot early Sunday morning in north Stockton, police reported.The incident occurred a block north of a shooting that left a 17-year-old boy injured about five hours earlier, but “at this point, they do not appear to be related,” Stockton police spokesman Officer Joe Silva said.The pedestrian was walking at Ponce De Leon Avenue and North El Dorado Street about 2:05 a.m.