Clean up rc_pick_q_and_bounds_two_pass()
Clean up rc_pick_q_and_bounds_two_pass()

Remove unneeded VPX_Q condition check.

Change-Id: I46b09ae522caa47fa7ea4441b6a6ac2840315d1c

webmproject/libvpx,ShiftMediaProject/libvpx,ShiftMediaProject/libvpx,webmproject/libvpx,ShiftMediaProject/libvpx,ShiftMediaProject/libvpx,webmproject/libvpx,ShiftMediaProject/libvpx,webmproject/libvpx,webmproject/libvpx,webmproject/libvpx