These are superseded by CreateWalletDatabase, CreateMockWalletDatabase,
and CreateDummyWalletDatabase
This concludes backport of [[https://github.com/bitcoin/bitcoin/pull/19310 | core#19310]] [3/3]
https://github.com/bitcoin/bitcoin/pull/19310/commits/da7a83c5ee6a51ff4c3eb35dbd447a310c4a0387