removed check for device_backend==cuda in favor of the generic solution in #674
removed check for device_backend==cuda in favor of the generic solution in #674

dachziegel/thrust,marksantos/thrust,xiongzhanblake/thrust,xiongzhanblake/thrust_src,dachziegel/thrust,mohamed-ali/thrust,sarvex/thrust,mohamed-ali/thrust,marksantos/thrust,thvasilo/thrust,GrimDerp/thrust,xiongzhanblake/thrust,Ricardo666666/thrust,egaburov/thrust,zhenglaizhang/thrust,arnabgho/thrust,egaburov/thrust,sdalton1/thrust,thvasilo/thrust,zeryx/thrust,xiongzhanblake/thrust_src,sarvex/thrust,egaburov/thrust,marksantos/thrust,xiongzhanblake/thrust_src,zhenglaizhang/thrust,mohamed-ali/thrust,xiongzhanblake/thrust,raygit/thrust,sdalton1/thrust,Ricardo666666/thrust,dachziegel/thrust,arnabgho/thrust,GrimDerp/thrust,raygit/thrust,sdalton1/thrust,zhenglaizhang/thrust,raygit/thrust,thvasilo/thrust,arnabgho/thrust,zeryx/thrust,zeryx/thrust,sarvex/thrust,GrimDerp/thrust,Ricardo666666/thrust