removed unneeded variable shifts from alg_quant()
removed unneeded variable shifts from alg_quant()

mumble-voip/celt-0.7.0,mumble-voip/celt-0.11.0,oneman/opus-oneman,mumble-voip/celt-0.11.0,mumble-voip/celt-0.7.0,oneman/opus-oneman,dezelin/celt,Distrotech/celt,Distrotech/celt,Distrotech/celt,mumble-voip/celt-0.7.0,oneman/opus-oneman,dezelin/celt,mumble-voip/celt-0.11.0,dezelin/celt