drm/amd/pm: remove some useless code for vangogh

This patch is to remove some useless code for vangogh.
In the earlier code, vangogh can't finish all the sequence of
smu late init. But now vangogh has one stable work state,so
remove the useless code.
Signed-off-by: NXiaojian Du <Xiaojian.Du@amd.com>
Reviewed-by: NKevin Wang <kevin1.wang@amd.com>
Reviewed-by: NHuang Rui <ray.huang@amd.com>
Reviewed-by: NEvan Quan <evan.quan@amd.com>
Acked-by: NXiaomeng Hou <Xiaomeng.Hou@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c

@@ -612,9 +612,6 @@ static int smu_late_init(void *handle)
 		return ret;
 	}
 
-	if (adev->asic_type == CHIP_VANGOGH)
-		return 0;
-
 	ret = smu_set_default_od_settings(smu);
 	if (ret) {
 		dev_err(adev->dev, "Failed to setup default OD settings!\n");