scripted-diff: Rename wallet database classes

-BEGIN VERIFY SCRIPT-

sed -i 's/\<CWalletDBWrapper\>/BerkeleyDatabase/g' src/wallet/db.h src/wallet/db.cpp
sed -i '/statuses/i/** Backend-agnostic database type. */\nusing WalletDatabase = BerkeleyDatabase\;\n' src/wallet/walletdb.h
ren() { git grep -l "\<$1\>" 'src/*.cpp' 'src/*.h' ':(exclude)*dbwrapper*' test | xargs sed -i "s:\<$1\>:$2:g"; }
ren CDBEnv           BerkeleyEnvironment
ren CDB              BerkeleyBatch
ren CWalletDBWrapper WalletDatabase
ren CWalletDB        WalletBatch
ren dbw              database
ren m_dbw            m_database
ren walletdb         batch
ren pwalletdb        batch
ren pwalletdbIn      batch_in
ren wallet/batch.h   wallet/walletdb.h
ren pwalletdbEncryption encrypted_batch

-END VERIFY SCRIPT-

src/bench/coin_selection.cpp

@@ -33,7 +33,7 @@ static void addCoin(const CAmount& nValue, const CWallet& wallet, std::vector<CO
 // (https://github.com/bitcoin/bitcoin/issues/7883#issuecomment-224807484)
 static void CoinSelection(benchmark::State& state)
 {
-    const CWallet wallet("dummy", CWalletDBWrapper::CreateDummy());
+    const CWallet wallet("dummy", WalletDatabase::CreateDummy());
     std::vector<COutput> vCoins;
     LOCK(wallet.cs_wallet);