drm/amd/powerplay: remove unsupport function set_thermal_fan_table for navi10

the PPSMC_MSG_SetFanTemperatureTarget is not support on navi10

Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>