message: Always enforce LOW_S and NULLFAIL if 13th Nov '17 HF is active
  This is a leftover from commit
  that should have removed all ifdefs around Nov 13th 2017 HF (new DAA).
diff: @@ -2285,13 +2285,11 @@ bool ConnectBlock(const CBlock &block,
  // s in their signature. We also make sure that signature that are supposed
  // to fail (for instance in multisig or other forms of smart contracts) are
  // null.
  -#ifdef BITCOIN_CASH
  if (IsDAAEnabled(chainparams, pindex->pprev))
  {
  flags |= SCRIPT_VERIFY_LOW_S;
  flags |= SCRIPT_VERIFY_NULLFAIL;
  }
  -#endif
  int64_t nTime2 = GetTimeMicros();
  nTimeForks += nTime2 - nTime1;
  