Commented out logging in plan node util.
Commented out logging in plan node util.

It was causing compilation errors.

wangziqi2016/peloton,AllisonWang/peloton,apavlo/peloton,vittvolt/15721-peloton,haojin2/peloton,cmu-db/peloton,wangziqi2016/peloton,PauloAmora/peloton,vittvolt/peloton,AllisonWang/peloton,wangziqi2016/peloton,prashasthip/peloton,seojungmin/peloton,PauloAmora/peloton,vittvolt/peloton,AllisonWang/peloton,malin1993ml/peloton,vittvolt/15721-peloton,yingjunwu/peloton,eric-haibin-lin/peloton-1,wangziqi2016/peloton,eric-haibin-lin/peloton-1,yingjunwu/peloton,seojungmin/peloton,eric-haibin-lin/peloton-1,apavlo/peloton,prashasthip/peloton,phisiart/peloton-p3,malin1993ml/peloton,phisiart/peloton-p3,jessesleeping/iso_peloton,apavlo/peloton,yingjunwu/peloton,vittvolt/peloton,AngLi-Leon/peloton,seojungmin/peloton,cmu-db/peloton,vittvolt/peloton,eric-haibin-lin/peloton-1,AngLi-Leon/peloton,haojin2/peloton,PauloAmora/peloton,AllisonWang/peloton,jessesleeping/iso_peloton,prashasthip/peloton,yingjunwu/peloton,haojin2/peloton,cmu-db/peloton,ShuxinLin/peloton,AngLi-Leon/peloton,phisiart/peloton-p3,ShuxinLin/peloton,AngLi-Leon/peloton,prashasthip/peloton,AllisonWang/peloton,ShuxinLin/peloton,malin1993ml/peloton,vittvolt/15721-peloton,cmu-db/peloton,jessesleeping/iso_peloton,prashasthip/peloton,eric-haibin-lin/peloton-1,apavlo/peloton,vittvolt/15721-peloton,AngLi-Leon/peloton,PauloAmora/peloton,prashasthip/peloton,phisiart/peloton-p3,jessesleeping/iso_peloton,PauloAmora/peloton,vittvolt/peloton,phisiart/peloton-p3,jessesleeping/iso_peloton,ShuxinLin/peloton,vittvolt/15721-peloton,phisiart/peloton-p3,seojungmin/peloton,AngLi-Leon/peloton,haojin2/peloton,malin1993ml/peloton,yingjunwu/peloton,wangziqi2016/peloton,haojin2/peloton,AllisonWang/peloton,cmu-db/peloton,ShuxinLin/peloton,haojin2/peloton,wangziqi2016/peloton,ShuxinLin/peloton,PauloAmora/peloton,malin1993ml/peloton,jessesleeping/iso_peloton,seojungmin/peloton,jessesleeping/iso_peloton,vittvolt/peloton,vittvolt/15721-peloton,yingjunwu/peloton,seojungmin/peloton,malin1993ml/peloton,cmu-db/peloton,apavlo/peloton,apavlo/peloton,eric-haibin-lin/peloton-1