message: remove printf code
diff: @@ -874,7 +874,6 @@ namespace ardb
  //TransactionGuard guard(ctx);
  KeyObject meta_key(ctx.ns, KEY_META, key);
  ValueObject meta_value;
  - printf("####Load %s:%d\n", key.c_str(), rdbtype);
  switch (rdbtype)
  {
  case REDIS_RDB_TYPE_STRING:
  