Merge pull request #3095 from hugovk/rm-del-draw

Remove 'del draw' from code example

docs/reference/ImageDraw.rst

@@ -25,7 +25,6 @@ Example: Draw a gray cross over an image
     draw = ImageDraw.Draw(im)
     draw.line((0, 0) + im.size, fill=128)
     draw.line((0, im.size[1], im.size[0], 0), fill=128)
-    del draw
 
     # write to stdout
     im.save(sys.stdout, "PNG")