Bump src/cloud_controller_ng, cleanup nfs_server properties in specs.

Bump cloudfoundry/cloud_controller_ng:
  Dan Lavine and Zach Robinson:
     Remove unneeded bosh-templates. ( Travis created: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/41302044 )

- nfs configuration moved to the nfs_mounter job, remove the unneeded properties
from the cc and cc worker jobs.

[#82778430]