Remove database, mediafiles and freedombox configs.
Removal of certs are not neccessary since the next setup will
overwrite them
Test:
1. Install the app and set a domain
2. Reinstall the app and confirm the domain can be set like it's the first time
Signed-off-by: nbenedek <contact@nbenedek.me>
[sunil: Update docstrings, make uninstall fail-safe]
[sunil: Fix uninstall functional test]
Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: Sunil Mohan Adapa <sunil@medhas.org>
1659b456d1