ae3626ea52 test: use MiniWallet for rpc_scanblocks.py (Sebastian Falbesoner)
Pull request description:
This is a small follow-up for #23549 which introduced `scanblocks`. Since that RPC doesn't need the wallet, we can switch the functional test to use MiniWallet.
ACKs for top commit:
MarcoFalke:
review ACK ae3626ea52
Tree-SHA512: e0b0088103e059b29719299c58fd5173b1cff58cb73025a9a33ad493cd0ac50ba25a5f790e471c00a09b4dca80f3c011174ca4e0c8f34746c39831f5823dc8ba