remove config.def.h: it was not used anymore

thanks tarug0 for reporting it!

Makefile

@@ -40,8 +40,7 @@ dist:
 	rm -rf ${NAME}-${VERSION}
 	mkdir -p ${NAME}-${VERSION}
 	cp -f ${MAN1} ${HDR} ${SCRIPTS} ${SRC} ${COMPATSRC} ${DOC} \
-		Makefile config.def.h config.mk \
-		favicon.png logo.png style.css \
+		Makefile config.mk favicon.png logo.png style.css \
 		example.sh \
 		${NAME}-${VERSION}
 	# make tarball

config.def.h

@@ -1,3 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-static const unsigned summarylen = 70; /* summary length in the log */
-static const int showlinecount   = 1;  /* display line count or file size in file tree index */