Reduces the the dataset size for performance tracker test.
Reduces the the dataset size for performance tracker test.

So that the test is easier to debug and walk through on paper.

Also, removes randomly created dataset.

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