delete zwinger and zwinger2 from wmnet

zwinger.pmtpa.wmnet has address 10.0.0.4
 100% packet loss

zwinger2.pmtpa.wmnet has address 10.0.0.34
34.0.0.10.in-addr.arpa domain name pointer lardner.pmtpa.wmnet.

lardner is a Wikimedia DECOMMISSIONED server (base::decommissioned).

The last Puppet run was at Wed Jun 12 15:59:23 UTC 2013 (168415 minutes ago).

Change-Id: I13c571c36b070d2c7610a9547e342a3a2bf20060