Remove todo about fabric/cloth from Jenkins class
Remove todo about fabric/cloth from Jenkins class

Added in 8918b15. This predates alphagov/fabric-scripts being split out in
gds/private-utils@158c36df3c2b06dee1df39bbf3412317c067a6df and nonetheless
we don't run Fabric from the deploy Jenkins (if we ever did?).

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