Stop setting MetadataAuthority.metadata and MetadataFetcher.metadata
They are now deprecated, and swh-storage ignores them, so it caused tests to fail.
Migrated from D5736 (view on Phabricator)
staging instance, all data can be removed at all time
They are now deprecated, and swh-storage ignores them, so it caused tests to fail.
Migrated from D5736 (view on Phabricator)