[PATCH app-xfs 2/3] doc: remove pdf target for developer's doc

[Alan Coopersmith]

Gaetan Nadon wrote:
> It breaks the build under the default configure options
> Cannot find anyone who can build it.

I swear it worked when I added it - I'm not sure why or when it stopped.
Since the documentation is only useful to 3 or 4 people in the world,
it's not something I'm going to worry about.

-- 
	-Alan Coopersmith-           alan.coopersmith at sun.com
	 Sun Microsystems, Inc. - X Window System Engineering