remove some Tampa LVS monitoring

remove api.svc.pmtpa.wmnet
remove appservers.svc.pmtpa.wmnet
remove rendering.svc.pmtpa.wmnet

not needed anymore, these got removed
from pybal.

therefore are CRIT in Icinga right now

so far we just disabled notifications
to avoid (more) paging

Change-Id: Idb5634b8a9051a1bafc3e32140d48b168dc02b2c