drm/amdgpu: remove dead code in si_dpm.c

This code is dead, let's remove it.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jason Yan 2020-04-13 22:32:35 +08:00 • committed by Alex Deucher
commit 8e2f842063