removed updates to overlay grids after rescale since we can no longer erase the overlays
removed updates to overlay grids after rescale since we can no longer erase the overlays

walterbender/turtleart,AlanJAS/turtleart,walterbender/turtle3D,walterbender/turtleflags,walterbender/turtleconfusion,walterbender/AmazonasTortuga,walterbender/turtleartmini