spatial svc: remove unused locals
spatial svc: remove unused locals

Clears static analysis warning:
Value stored to 'tl' is never read

Change-Id: If047a74f508288c63d5b83ed0f3ad34f791f9312

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