Remove unused 'i' and 'buf_list' in va_TraceDestroyBuffer
Remove unused 'i' and 'buf_list' in va_TraceDestroyBuffer

Signed-off-by: Lim Siew Hoon <e412356d7e67dbdde94e841e5d46937fb9f4e623@intel.com>
Reviewed-by: Sean V Kelley <2e220d3765e3e059981b3c8d241463f952b3ee5f@posteo.de>

01org/iotg-lin-gfx-libva,01org/iotg-lin-gfx-libva,01org/libva-cros,01org/libva-cros,01org/iotg-lin-gfx-libva,01org/libva-cros