drm/amdgpu/gfx11: drop old bring up code

No longer used.  Remove it.

Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2023-04-24 12:50:30 -04:00
commit 6ae869b9b6