message: Miner: Unused reserveKey cleanup
diff: @@ -113,8 +113,6 @@ CBlockIndex* GetChainTip()
  CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn, CWallet* pwallet, bool fProofOfStake)
  {
  - CReserveKey reservekey(pwallet);
  -
  // Create new block
  std::unique_ptr<CBlockTemplate> pblocktemplate(new CBlockTemplate());
  if (!pblocktemplate.get()) return nullptr;
  