Refactor vp9_full_pixel_diamond_new
Refactor vp9_full_pixel_diamond_new

Remove redundant bestsme assignments

Change-Id: I565f477f51c2a13369ebd1532eed05115e774238

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