(fix) Coinbase removed 3 parameters to the trading rules

Coinbase changed their API on June 30th removing base_max_size, base_min_size, max_market_funds The modification implement a proposal to adapt to the new API Reference: https://docs.cloud.coinbase.com/exchange/reference/exchangerestapi_getproducts PR:https://github.com/hummingbot/hummingbot/pull/5599