Remove AWS related heira config for Ask Service (integration)
Remove AWS related heira config for Ask Service (integration)

The integration bucket was originally added for test purposes.
Given that exporting the AWS in production has been removed (see
previous commits) it made sense to also remove the functionality
from integration.

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