Remove absent pull_authenticating_proxy_production_daily task
Remove absent pull_authenticating_proxy_production_daily task

Authenticating proxy is now running in AWS Production, so we don't
need this configuration any longer.

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