Revert "drm/amd/display: Update NV1x SR latency values"

This reverts commit 4a3dea89.

This causes blank screens for some users.

Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1388


Cc: Alvin Lee <alvin.lee2@amd.com>
Cc: Jun Lei <Jun.Lei@amd.com>
Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org