remove turtles that are dragged onto palette
remove turtles that are dragged onto palette

max630/turtleart-hacks,walterbender/turtleconfusion,max630/turtleart-hacks,AlanJAS/turtleart,walterbender/turtleflags,walterbender/turtle3D,walterbender/AmazonasTortuga,walterbender/turtleartmini,walterbender/turtleart