Remove datadog monitor for nsync_bulker
Remove datadog monitor for nsync_bulker

We removed nsync in 9392cc7 as it's now deprecated and no longer needed.
This monitor therefore no longer applies. It also goes red because there
are no nsync processes running to hold the lock.

alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf