docs/plugins/Makefile.am: Remove duplicate entry.

Original commit message from CVS:
* docs/plugins/Makefile.am:
Remove duplicate entry.

ChangeLog

+2008-01-16  Stefan Kost  <ensonic@users.sf.net>
+
+	* docs/plugins/Makefile.am:
+	  Remove duplicate entry.
+
 2008-01-15  Stefan Kost  <ensonic@users.sf.net>
 	* docs/plugins/Makefile.am:

docs/plugins/Makefile.am

@@ -138,7 +138,6 @@ EXTRA_HFILES = \
 	$(top_srcdir)/sys/osxaudio/gstosxaudiosrc.h \
 	$(top_srcdir)/sys/osxaudio/gstosxaudiosink.h \
 	$(top_srcdir)/sys/osxvideo/osxvideosink.h \
-	$(top_srcdir)/sys/osxvideo/osxvideosink.h \
 	$(top_srcdir)/sys/v4l2/gstv4l2src.h \
 	$(top_srcdir)/sys/ximage/gstximagesrc.h