Make 100KB transaction size limit a consensus rule, rather than a standard rule.

src/wallet/wallet.cpp

@@ -2471,7 +2471,7 @@ bool CWallet::CreateTransaction(const vector<CRecipient>& vecSend,
 
                 // Limit size
                 unsigned int nBytes = ::GetSerializeSize(*(CTransaction*)&wtxNew, SER_NETWORK, PROTOCOL_VERSION);
-                if (nBytes >= MAX_STANDARD_TX_SIZE)
+                if (nBytes >= MAX_TX_SIZE)
                 {
                     strFailReason = _("Transaction too large");
                     return false;