Remove MySQL user password overrides
Remove MySQL user password overrides

These MySQL users were accidentally set up with the root
aws_db_admin password, which is why we faced connection issues
and ended up overriding the passwords used by specifying the
hieradata here.

We've now fixed the passwords to be the application database
passwords as intended, so we no longer need these overrides.

Trello: https://trello.com/c/OnPpEYlk/59-run-integration-applications-on-postgres-13-and-mysql-8

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