drm/radeon: remove unused blit remnants from si.c

We use the DMA ring rather than the GFX ring for
bo moves.  This code was never used and commented out.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2013-03-08 10:13:40 -05:00
commit 0363a55972