code: public void deleteShape(Paintable paintable, Object group, MapContext context) {
  		Image image = (Image) paintable;
  		context.getVectorContext().deleteElement(group, image.getId());
  	}
docs: Delete a {@link Paintable} object from the given {@link MapContext}. It the object does not exist,
  nothing will be done.
  
  @param paintable
  The object to be painted.
  @param group
  The group where the object resides in (optional).
  @param context
  The context to paint on.