Stop keeping etc/refcards generated PDFs in the repository

They are on the gnu.org website and will be in the release tarfiles.

* admin/make-tarball.txt: Mention generating pdfs in etc/refcards.

* etc/refcards/calccard.pdf, etc/refcards/cs-dired-ref.pdf:
* etc/refcards/cs-refcard.pdf, etc/refcards/de-refcard.pdf:
* etc/refcards/dired-ref.pdf, etc/refcards/fr-dired-ref.pdf:
* etc/refcards/fr-refcard.pdf, etc/refcards/gnus-booklet.pdf:
* etc/refcards/gnus-refcard.pdf, etc/refcards/orgcard.pdf:
* etc/refcards/pl-refcard.pdf, etc/refcards/pt-br-refcard.pdf:
* etc/refcards/refcard.pdf, etc/refcards/ru-refcard.pdf:
* etc/refcards/sk-dired-ref.pdf, etc/refcards/sk-refcard.pdf:
Remove generated files from repository.

admin/ChangeLog

@@ -1,3 +1,7 @@
+2013-08-15  Glenn Morris  <rgm@gnu.org>
+
+	* make-tarball.txt: Mention generating pdfs in etc/refcards.
+
 2013-08-15  Xue Fuqiao  <xfq.free@gmail.com>
 
 	* notes/hydra: More information about Hydra.

admin/make-tarball.txt

@@ -61,6 +61,9 @@ General steps (for each step, check for possible errors):
 5.   autoreconf -i -I m4 --force
      make bootstrap
 
+     make -C etc/refcards
+     make -C etc/refcards clean
+
 6.  Copy lisp/loaddefs.el to lisp/ldefs-boot.el.
 
     Commit etc/AUTHORS, lisp/ldefs-boot.el, and the files changed

etc/ChangeLog

@@ -1,5 +1,15 @@
 2013-08-15  Glenn Morris  <rgm@gnu.org>
 
+	* refcards/calccard.pdf, refcards/cs-dired-ref.pdf:
+	* refcards/cs-refcard.pdf, refcards/de-refcard.pdf:
+	* refcards/dired-ref.pdf, refcards/fr-dired-ref.pdf:
+	* refcards/fr-refcard.pdf, refcards/gnus-booklet.pdf:
+	* refcards/gnus-refcard.pdf, refcards/orgcard.pdf:
+	* refcards/pl-refcard.pdf, refcards/pt-br-refcard.pdf:
+	* refcards/refcard.pdf, refcards/ru-refcard.pdf:
+	* refcards/sk-dired-ref.pdf, refcards/sk-refcard.pdf:
+	Remove generated files from repository.
+
 	* refcards/Makefile: Rewrite to use portable Makefile syntax.
 	Add language-specific targets.
 	(distclean, extraclean): New rules.