Revert "wordpress : use hack to make wordpress accept ipv6 urls"

This reverts commit ee077f3a.

software/wordpress/software.cfg

@@ -18,7 +18,7 @@ url = http://wordpress.org/latest.tar.gz
 [application-template]
 recipe = slapos.recipe.download
 url = ${:_profile_base_location_}/wp-config.php.in
-#md5sum = 
+#md5sum = ${application-configuration:md5sum}
 download-only = True
 filename = template.in
 mode = 0644

software/wordpress/wp-config.php.in

@@ -14,8 +14,6 @@
  * @package WordPress
  */
 
-define('WP_SITEURL', '/');
-
 // ** MySQL settings - You can get this info from your web host ** //
 /** The name of the database for WordPress */
 define('DB_NAME', '%(mysql_database)s');