Return void instead of bool for functions that cannot fail:
- CBlockTreeDB::ReadReindexing(...)
- CChainState::ResetBlockFailureFlags(...)
- CTxMemPool::addUnchecked(...)
- CWallet::CommitTransaction(...)
- CWallet::LoadDestData(...)
- CWallet::LoadKeyMetadata(...)
- CWallet::LoadScriptMetadata(...)
- CWallet::LoadToWallet(...)
- CWallet::SetHDChain(...)
- CWallet::SetHDSeed(...)
- PendingWalletTx::commit(...)
- RemoveLocal(...)
- SetMinVersion(...)
- StartHTTPServer(...)
- StartRPC(...)
- TorControlConnection::Disconnect(...)
Backport of Bitcoin Core PR13774
https://github.com/bitcoin/bitcoin/pull/13774