Fixed vhostsubdomain not empty regex check to allow 1 char subdomains.

Till Brehm

2014-02-17 baa7f2736bc91ca3feaed685e8a67a46db4fbb98

 interface/web/admin/lib/lang/el_server.lng

@@ -13,5 +13,3 @@
$wb['proxy_server_txt'] = 'Proxy-Server';
$wb['firewall_server_txt'] = 'Firewall-Server';
?>