Removes module for serializing over 0MQ.
Removes module for serializing over 0MQ.

zipline no longer serializes internally over 0ZM, so this is unneeded.

YuepengGuo/zipline,stkubr/zipline,mattcaldwell/zipline,bartosh/zipline,joequant/zipline,michaeljohnbennett/zipline,morrisonwudi/zipline,ronalcc/zipline,euri10/zipline,quantopian/zipline,sketchytechky/zipline,dmitriz/zipline,gwulfs/zipline,chrjxj/zipline,StratsOn/zipline,morrisonwudi/zipline,grundgruen/zipline,dhruvparamhans/zipline,aajtodd/zipline,quantopian/zipline,stkubr/zipline,iamkingmaker/zipline,otmaneJai/Zipline,umuzungu/zipline,cmorgan/zipline,YuepengGuo/zipline,MonoCloud/zipline,florentchandelier/zipline,cmorgan/zipline,CDSFinance/zipline,jimgoo/zipline-fork,zhoulingjun/zipline,AlirezaShahabi/zipline,wilsonkichoi/zipline,magne-max/zipline-ja,mattcaldwell/zipline,davidastephens/zipline,CarterBain/AlephNull,enigmampc/catalyst,jordancheah/zipline,alphaBenj/zipline,kmather73/zipline,nborggren/zipline,dmitriz/zipline,jordancheah/zipline,nborggren/zipline,sketchytechky/zipline,magne-max/zipline-ja,keir-rex/zipline,zhoulingjun/zipline,DVegaCapital/zipline,humdings/zipline,CarterBain/AlephNull,iamkingmaker/zipline,dkushner/zipline,enigmampc/catalyst,dkushner/zipline,florentchandelier/zipline,euri10/zipline,erikness/AlephOne,gwulfs/zipline,dhruvparamhans/zipline,semio/zipline,wilsonkichoi/zipline,kmather73/zipline,StratsOn/zipline,michaeljohnbennett/zipline,ChinaQuants/zipline,wubr2000/zipline,semio/zipline,joequant/zipline,Scapogo/zipline,humdings/zipline,otmaneJai/Zipline,erikness/AlephOne,CDSFinance/zipline,DVegaCapital/zipline,keir-rex/zipline,davidastephens/zipline,AlirezaShahabi/zipline,ChinaQuants/zipline,bartosh/zipline,aajtodd/zipline,MonoCloud/zipline,Scapogo/zipline,chrjxj/zipline,umuzungu/zipline,alphaBenj/zipline,grundgruen/zipline,wubr2000/zipline,jimgoo/zipline-fork,ronalcc/zipline