build, wallet, doc: Remove BDB

test/sanitizer_suppressions/tsan

@@ -7,7 +7,6 @@
 race:LoadWallet
 race:WalletBatch::WriteHDChain
 race:BerkeleyBatch
-race:BerkeleyDatabase
 race:DatabaseBatch
 race:zmq::*
 race:bitcoin-qt
@@ -25,8 +24,6 @@ race:src/qt/test/*
 deadlock:src/qt/test/*
 
 # External libraries
-# https://github.com/bitcoin/bitcoin/pull/27658#issuecomment-1547639621
-deadlock:libdb
 race:libzmq
 
 # Intermittent issues