Remove code that is obsolete now that COMPILING_HALIDE_RUNTIME has to be setup by the build system.
Remove code that is obsolete now that COMPILING_HALIDE_RUNTIME has to
be setup by the build system.

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