do not create duplicate GRANT, use only % for now

Related to: #336431

Ported from D5 branch

db_server/provision.mysql.inc

@@ -21,8 +21,7 @@ function _provision_mysql_new_site_db($db_name, $db_user, $db_passwd, $db_host)
    return FALSE;
   }
   
-  if (!_provision_mysql_grant($db_name, $db_user, $db_passwd) ||
-      !_provision_mysql_grant($db_name, $db_user, $db_passwd, $db_host)) {
+  if (!_provision_mysql_grant($db_name, $db_user, $db_passwd)) {
     provision_log("warning", "Could not GRANT user access.");
   }