Get rid of 1.9.3 for now since Celluloid is triggering GC bugs
Get rid of 1.9.3 for now since Celluloid is triggering GC bugs

sideci-sample/sideci-sample-celluloid,jstoja/celluloid,davydovanton/celluloid,dilumn/celluloid,kenichi/celluloid,tarcieri/celluloid,olleolleolle/celluloid,marshall-lee/celluloid,celluloid/celluloid,jasonm23/celluloid,mehta/celluloid,seuros/celluloid,TiagoCardoso1983/celluloid