message: remove EOSLIB_SERIALIZE from structs in exchange
diff: @@ -59,8 +59,6 @@ namespace eosio {
  account_name borrower;
  symbol_type market;
  extended_asset cover_amount;
  -
  - EOSLIB_SERIALIZE( covermargin, (borrower)(market)(cover_amount) )
  };
  struct upmargin {
  @@ -68,8 +66,6 @@ namespace eosio {
  symbol_type market;
  extended_asset delta_borrow;
  extended_asset delta_collateral;
  -
  - EOSLIB_SERIALIZE( upmargin, (borrower)(market)(delta_borrow)(delta_collateral) )
  };
  struct trade {
  @@ -79,18 +75,13 @@ namespace eosio {
  extended_asset min_receive;
  uint32_t expire = 0;
  uint8_t fill_or_kill = true;
  -
  - EOSLIB_SERIALIZE( trade, (seller)(market)(sell)(min_receive)(expire)(fill_or_kill) )
  };
  - // TODO: Need ability to cancel trades in order book.
  -
  void on( const trade& t );
  void on( const upmargin& b );
  void on( const covermargin& b );
  void on( const currency::transfer& t, account_name code );
  -
  bool apply( account_name contract, account_name act );
  };
  -}
  +} // namespace eosio
  