update git-pre-push hook

.githooks/pre-push

@@ -17,7 +17,7 @@ clean_up () {
 
 echo -n ">>> Creating static files with `hugo version | awk '{ print $1,$2 }'`..."
 
-ret="$(hugo --gc --minify --cleanDestinationDir --printPathWarnings --logLevel warn)"
+ret="$(hugo --gc --minify --printPathWarnings --logLevel warn)"
 
 # if [ -n "$(echo $ret | grep Total)" ] ; then
 if [ "$?" -eq "0" ] ; then