[PATCH] xfree86: fix two compiler warnings - unused variable ati, atimisc

[Jesse Adkins]

> As noted last time this came up, if we're going to have a Registry,
> then we don't remove the old names, since they're still reserved
> against future clashes (besides, what other module would we want
> to create with the name "ati"?) - but if nothing's ever added to it,
> then it's pointless and the whole file should go away.

I completely support taking it out. Since initial import, it's been
updated only a single time (Off the top of my head, I think it's
scanpci, or something pci related).

Every other modification to it has been just changing cvs tags.