CANINE MAJOR, a Florida Highway Patrol German shepherd who sniffed out $100,000 worth of drugs during his career, was killed when he was struck by a car on Interstate 95 near St. Augstine. . . . ISRAELI DEFENSE MINISTER Moshe Arens on Friday canceled the construction of two submarines on order at a German shipyard, saying Israel didn't have the money to pay for them. . . . THE REPUBLICAN NATIONAL Committee narrowed the field for the site of the 1992 national convention Friday to Houston, New Orleans and San Diego, the site selection committee announced.