Revert "drm/amd/display: Enabling urgent latency adjustment for DCN35"

This reverts commit b72a7e0f.

It causes a dead loop in dml_prefetch_check.

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Qili Lu <qili.lu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>