p2p: Disable BIP 61 by default

src/net_processing.h

@@ -15,7 +15,7 @@ static const unsigned int DEFAULT_MAX_ORPHAN_TRANSACTIONS = 100;
 /** Default number of orphan+recently-replaced txn to keep around for block reconstruction */
 static const unsigned int DEFAULT_BLOCK_RECONSTRUCTION_EXTRA_TXN = 100;
 /** Default for BIP61 (sending reject messages) */
-static constexpr bool DEFAULT_ENABLE_BIP61 = true;
+static constexpr bool DEFAULT_ENABLE_BIP61{false};
 
 class PeerLogicValidation final : public CValidationInterface, public NetEventsInterface {
 private: