Remove obsolete nrpe stanzas

I spent hours trying to clean up this across the fleet. It should be
applied everywhere but erzurumi, mc15, mw1173, virt1, virt3, virt4 but I
hope this will get reinstalled when put back into production.

Change-Id: Ib887b7b05474bd1390bbcfc9822ceaae3a44c818
Merge "Remove obsolete nrpe stanzas" into production