Fix Content Data Admin procfile worker name
Fix Content Data Admin procfile worker name

This renames the initctl procfile worker name from
`content-data-admin-sidekiq-procfile-worker` to
`content-data-admin-procfile-worker`. This is needed as the deploy
scripts use the new name by default.

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