drm/amdgpu: cleanup dce_virtual

Remove obsolete functions and variables from dce_virtual.

Signed-off-by: Ryan Taylor <Ryan.Taylor@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Ryan Taylor 2021-06-18 13:03:35 -07:00 • committed by Alex Deucher
commit fd922f7a0e