Temporarily disable the rep_healthy monitor.
Temporarily disable the rep_healthy monitor.

This is currently failing since rep was updated to require TLS and
client certs. This disables the monitor to avoid noise on the dashboards
until the story to fix it[1] is played.

[1]https://www.pivotaltracker.com/story/show/156570305

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