bug#4446: remove ###autoload from ediff-hook.el

[Leo]

On 2009-09-16 12:18 +0100, Dan Nicolaescu wrote:
> The ###autoload in ediff-hook.el is not needed, this file is in the
> dumped image, so the autoload's only effect is to make loaddefs.el
> bigger and increase the size of the dumped image.
>
> The comment in the file says that the autoload is needed for XEmacs, but
> that's not a good reason to keep it in the Emacs CVS, it's a one line
> change to a file that almost never changes.
>
> OK to remove the autoload line?

That is a big chunk of autoload.