rocodes

Avoid python tracebacks in output during provisioning

1

* [x] I have searched for duplicates or related issues * Related (these could make a story/epic): * Address (or suppress) warning messages and/or information displayed in terminal output: https://github.com/freedomofpress/securedrop-workstation/issues/1123...

* [x] I have searched for duplicates or related issues ## Description See https://github.com/freedomofpress/securedrop-workstation-ci/issues/68, and https://github.com/freedomofpress/securedrop-workstation-ci/issues/68#issuecomment-2511809708 Whonix clock randomization can be a source of failed updates and failed SDW provisioning....

[openQA] include sdw-admin --uninstall in test run

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Even though `uninstall` is mostly dev-facing (for prod users our official path is something between nuking the entire Qubes installation and destroying the machine :upside_down_face: ), it might be good...