Remove redundant predicate in the hacking join plan for TPC-C.
Remove redundant predicate in the hacking join plan for TPC-C.

vittvolt/peloton,jessesleeping/iso_peloton,ShuxinLin/peloton,wangziqi2016/peloton,cmu-db/peloton,wangziqi2016/peloton,jessesleeping/iso_peloton,haojin2/peloton,AngLi-Leon/peloton,vittvolt/peloton,cmu-db/peloton,jessesleeping/iso_peloton,cmu-db/peloton,haojin2/peloton,AllisonWang/peloton,prashasthip/peloton,vittvolt/peloton,prashasthip/peloton,yingjunwu/peloton,ShuxinLin/peloton,prashasthip/peloton,phisiart/peloton-p3,ShuxinLin/peloton,seojungmin/peloton,PauloAmora/peloton,ShuxinLin/peloton,seojungmin/peloton,apavlo/peloton,malin1993ml/peloton,PauloAmora/peloton,prashasthip/peloton,AllisonWang/peloton,jessesleeping/iso_peloton,AllisonWang/peloton,PauloAmora/peloton,PauloAmora/peloton,ShuxinLin/peloton,malin1993ml/peloton,AllisonWang/peloton,malin1993ml/peloton,AllisonWang/peloton,vittvolt/15721-peloton,vittvolt/peloton,seojungmin/peloton,vittvolt/15721-peloton,cmu-db/peloton,ShuxinLin/peloton,jessesleeping/iso_peloton,vittvolt/15721-peloton,haojin2/peloton,prashasthip/peloton,malin1993ml/peloton,haojin2/peloton,apavlo/peloton,wangziqi2016/peloton,seojungmin/peloton,yingjunwu/peloton,wangziqi2016/peloton,yingjunwu/peloton,apavlo/peloton,AngLi-Leon/peloton,phisiart/peloton-p3,apavlo/peloton,yingjunwu/peloton,jessesleeping/iso_peloton,apavlo/peloton,phisiart/peloton-p3,phisiart/peloton-p3,haojin2/peloton,vittvolt/15721-peloton,vittvolt/peloton,PauloAmora/peloton,phisiart/peloton-p3,vittvolt/peloton,jessesleeping/iso_peloton,seojungmin/peloton,AllisonWang/peloton,vittvolt/15721-peloton,phisiart/peloton-p3,malin1993ml/peloton,seojungmin/peloton,cmu-db/peloton,haojin2/peloton,AngLi-Leon/peloton,vittvolt/15721-peloton,cmu-db/peloton,apavlo/peloton,AngLi-Leon/peloton,AngLi-Leon/peloton,malin1993ml/peloton,prashasthip/peloton,yingjunwu/peloton,AngLi-Leon/peloton,yingjunwu/peloton,wangziqi2016/peloton,wangziqi2016/peloton,PauloAmora/peloton