> wallet: GetLabelAddresses requires cs_wallet lock
>
> No change in behavior, the lock is already held at call sites.
> wallet: AddWalletDescriptor requires cs_wallet lock
>
> No change in behavior, the lock is already held at call sites.
Also remove `getLabelAddresses` in wallet interface. This was added in D2886, but Bitcoin Core never had this function and it compiles fine without it.
This is a backport of [[https://github.com/bitcoin/bitcoin/pull/19833 | core#19833]]