message: Run clang-format on main.cpp
diff: @@ -6513,8 +6513,6 @@ bool ProcessMessage(CNode *pfrom, std::string strCommand, CDataStream &vRecv, in
  {
  // pindex must be nonnull because we populated vToFetch a few lines above
  CInv inv(MSG_BLOCK, pindex->GetBlockHash());
  - if (AlreadyHave(inv))
  - LogPrintf("already have\n");
  if (!AlreadyHave(inv))
  {
  requester.AskFor(inv, pfrom);
  