Revert "drm/amd/display: Fix memory leaks in S3 resume"

This reverts commit a135a1b.

This leads to blank screens on some boards after replugging a
display.  Revert until we understand the root cause and can
fix both the leak and the blank screen after replug.

Bug: https://bugzilla.kernel.org/show_bug.cgi?id=211033
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1427
Cc: Stylon Wang <[email protected]>
Cc: Harry Wentland <[email protected]>
Cc: Nicholas Kazlauskas <[email protected]>
Cc: Andre Tomt <[email protected]>
Cc: Oleksandr Natalenko <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Cc: [email protected]

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

@@ -2386,8 +2386,7 @@ void amdgpu_dm_update_connector_after_detect(
 
 			drm_connector_update_edid_property(connector,
 							   aconnector->edid);
-			aconnector->num_modes = drm_add_edid_modes(connector, aconnector->edid);
-			drm_connector_list_update(connector);
+			drm_add_edid_modes(connector, aconnector->edid);
 
 			if (aconnector->dc_link->aux_mode)
 				drm_dp_cec_set_edid(&aconnector->dm_dp_aux.aux,