Removing linux-image-3.11.0-22 in grizzly and defaulting contrail-vrouter-3.11.0-22-generic

Change-Id: I40bdacfa1383b44bb715047c949b854d787df328
Merge "Removing linux-image-3.11.0-22 in grizzly and defaulting contrail-vrouter-3.11.0-22-generic"