Remove stray, pointless and potentially confusing line.

src/etc/examples/dhclient.conf

@@ -1,9 +1,8 @@
-# $OpenBSD: dhclient.conf,v 1.1 2014/08/29 18:05:39 ajacoutot Exp $
+# $OpenBSD: dhclient.conf,v 1.2 2017/10/16 23:43:41 krw Exp $
 #
 # DHCP Client Configuration
 #
 # See dhclient.conf(5) for possible contents of this file.
-# When empty default values are used:
 #
 # Example:
 #