Remove duplicate implementation of ArrayModel#first!()
Remove duplicate implementation of ArrayModel#first!()

thyagobr/volt,mzdunek93/volt,mzdunek93/volt,askl56/volt,nightweb/volt,jfahrer/volt,nightweb/volt,matthew342/volt,voltrb/volt,voltrb/volt,matthew342/volt,alexandred/volt,thyagobr/volt,alexandred/volt,RickCarlino/volt,ASnow/volt,sinventor/volt,RickCarlino/volt,ASnow/volt,sinventor/volt,ASnow/volt,RickCarlino/volt,matthew342/volt,jfahrer/volt,thyagobr/volt,nightweb/volt,alexandred/volt,sinventor/volt,mzdunek93/volt,jfahrer/volt,voltrb/volt,askl56/volt,askl56/volt