Removed pointless Vars in histogram test
Removed pointless Vars in histogram test

ronen/Halide,smxlong/Halide,mcanthony/Halide,kenkuang1213/Halide,damienfir/Halide,dougkwan/Halide,smxlong/Halide,psuriana/Halide,ayanazmat/Halide,adasworks/Halide,myrtleTree33/Halide,damienfir/Halide,adasworks/Halide,mikeseven/Halide,rodrigob/Halide,ronen/Halide,tdenniston/Halide,damienfir/Halide,fengzhyuan/Halide,kgnk/Halide,gchauras/Halide,myrtleTree33/Halide,kgnk/Halide,ayanazmat/Halide,damienfir/Halide,delcypher/Halide,kenkuang1213/Halide,delcypher/Halide,dougkwan/Halide,kenkuang1213/Halide,aam/Halide,tdenniston/Halide,delcypher/Halide,tdenniston/Halide,kenkuang1213/Halide,aam/Halide,smxlong/Halide,ayanazmat/Halide,psuriana/Halide,lglucin/Halide,psuriana/Halide,smxlong/Halide,aam/Halide,rodrigob/Halide,mcanthony/Halide,mikeseven/Halide,dan-tull/Halide,dougkwan/Halide,jiawen/Halide,ronen/Halide,fengzhyuan/Halide,kgnk/Halide,fengzhyuan/Halide,myrtleTree33/Halide,damienfir/Halide,ronen/Halide,kgnk/Halide,mcanthony/Halide,rodrigob/Halide,jiawen/Halide,kenkuang1213/Halide,delcypher/Halide,kenkuang1213/Halide,fengzhyuan/Halide,ronen/Halide,damienfir/Halide,smxlong/Halide,psuriana/Halide,dan-tull/Halide,damienfir/Halide,fengzhyuan/Halide,damienfir/Halide,gchauras/Halide,myrtleTree33/Halide,adasworks/Halide,dan-tull/Halide,dan-tull/Halide,dan-tull/Halide,fengzhyuan/Halide,tdenniston/Halide,mcanthony/Halide,ronen/Halide,tdenniston/Halide,adasworks/Halide,lglucin/Halide,kgnk/Halide,delcypher/Halide,ayanazmat/Halide,mcanthony/Halide,lglucin/Halide,dougkwan/Halide,kenkuang1213/Halide,mcanthony/Halide,adasworks/Halide,tdenniston/Halide,rodrigob/Halide,gchauras/Halide,lglucin/Halide,mcanthony/Halide,gchauras/Halide,delcypher/Halide,rodrigob/Halide,smxlong/Halide,kgnk/Halide,rodrigob/Halide,dougkwan/Halide,adasworks/Halide,delcypher/Halide,dan-tull/Halide,psuriana/Halide,smxlong/Halide,psuriana/Halide,lglucin/Halide,gchauras/Halide,ayanazmat/Halide,psuriana/Halide,ronen/Halide,kenkuang1213/Halide,fengzhyuan/Halide,mikeseven/Halide,dougkwan/Halide,lglucin/Halide,dougkwan/Halide,kgnk/Halide,aam/Halide,fengzhyuan/Halide,jiawen/Halide,jiawen/Halide,myrtleTree33/Halide,smxlong/Halide,dan-tull/Halide,aam/Halide,gchauras/Halide,rodrigob/Halide,mikeseven/Halide,jiawen/Halide,myrtleTree33/Halide,myrtleTree33/Halide,ayanazmat/Halide,myrtleTree33/Halide,dan-tull/Halide,delcypher/Halide,ayanazmat/Halide,dougkwan/Halide,aam/Halide,mcanthony/Halide,jiawen/Halide,lglucin/Halide,jiawen/Halide,tdenniston/Halide,mikeseven/Halide,adasworks/Halide,ayanazmat/Halide,tdenniston/Halide,ronen/Halide,rodrigob/Halide,adasworks/Halide,kgnk/Halide,aam/Halide