Removed debug println messages from Huobi Websocket.
Removed debug println messages from Huobi Websocket.

thrasher-/gocryptotrader,jmaurice/gocryptotrader,thrasher-/gocryptotrader,dolanor/gocryptotrader,snipesjr/gocryptotrader,snipesjr/gocryptotrader,thrasher-/gocryptotrader,thrasher-/gocryptotrader,thrasher-/gocryptotrader,snipesjr/gocryptotrader,snipesjr/gocryptotrader