Move over egg creams and doughnuts. Sprouts are moving in. Schnackenberg’s, an old-fashioned luncheonette that for 88 years served classic concoctions of seltzer with chocolate syrup, tuna melts and other staples of decades past, has closed, a victim of what its owner said were changing times and healthier tastes. An eatery with a different menu and a different vibe will take Schnackenberg’s place on Washington Street, between 11th and 12th streets, under the name “Alfalfa.” “Doughnuts and milkshakes are not the steady diet of modern Hobokenites,” said Joyce Flinn, who along with her husband, Eugene, bought Schnackenberg’s from the daughter...