Revert "drm/amd/display: initialize all the dpm level's stutter latency"

Revert commit 885c71ad
("drm/amd/display: initialize all the dpm level's stutter latency")

Because it causes some regression

Reviewed-by: Muhammad Ahmed <ahmed.ahmed@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>