use defaults (#580)

Author: ewdurbin

salt/hg/config/hg.apache.conf.jinja

@@ -61,7 +61,6 @@
     <Directory /srv/hg/hg-static>
         Options Indexes FollowSymlinks
         IndexOptions FancyIndexing SuppressColumnSorting
-        HeaderName README.html
         Require all granted
     </Directory>