fix duplicate entry caused in rr_insert

Carsten Schoene

2013-12-29 0614b51e1bf71ac4db7ef02857a2286468e2b42b

 interface/web/vm/lib/lang/pl_openvz_ip.lng

@@ -7,4 +7,3 @@
$wb['ip_error_unique'] = 'This IP address does already exist.';
$wb['IP address'] = 'IP address';
?>