[babl] docs: remove reference to non-existing file build-docs.sh

[Øyvind "pippin" Kolås <ok src gnome org>]

commit 4119a63de7c129c929a8300dc553eef67980cc3f
Author: Øyvind Kolås <pippin gimp org>
Date:   Mon Jul 22 03:40:42 2019 +0200

    docs: remove reference to non-existing file build-docs.sh

 docs/Makefile.am | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/docs/Makefile.am b/docs/Makefile.am
index 6c33676..bea1654 100644
--- a/docs/Makefile.am
+++ b/docs/Makefile.am
@@ -49,7 +49,6 @@ index.html: index-static.html                    \
        $(SHELL) $(top_srcdir)/docs/tools/xml_insert.sh $@ BablBase $$TMPFILE;\
        rm -f $$TMPFILE )
        echo -n "."
-       $(SHELL) $(top_srcdir)/docs/build-docs.sh $(top_srcdir) $(top_builddir)/docs
        $(SHELL) $(top_srcdir)/docs/tools/xml_insert.sh $@ AUTHORS $(top_srcdir)/AUTHORS
        $(SHELL) $(top_srcdir)/docs/tools/xml_insert.sh $@ TODO $(top_srcdir)/TODO
        $(SHELL) $(top_srcdir)/docs/tools/xml_insert.sh $@ NEWS $(top_srcdir)/NEWS