message: [RPC][BUG] Remove extra lock in spendrawzerocoin
diff: @@ -4384,7 +4384,6 @@ UniValue spendrawzerocoin(const UniValue& params, bool fHelp)
  const CBigNum& mintValue = mint.GetValue();
  bool found = false;
  {
  - LOCK2(cs_main, pwalletMain->cs_wallet);
  CBlockIndex* pindex = chainActive.Tip();
  while (!found && pindex && pindex->nHeight >= Params().Zerocoin_StartHeight()) {
  LogPrintf("%s : Checking block %d...\n", __func__, pindex->nHeight);
  