Don't set ERRBIT_HOST for publishing-api
Don't set ERRBIT_HOST for publishing-api

https://trello.com/c/HfNnOLFJ

publishing-api has been updated to use plek for the same.

alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet