drm/amd/display: Don't log error if we have no connectors

[Why]
In certain configurations, such as PX configs or some Vega20 parts
DC gets created without connectors.

[How]
Drop the dm_error print when no connectors.
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/core/dc.c

@@ -151,10 +151,6 @@ static bool create_links(
 		return false;
 	}
 
-	if (connectors_num == 0 && num_virtual_links == 0) {
-		dm_error("DC: Number of connectors is zero!\n");
-	}
-
 	dm_output_to_console(
 		"DC: %s: connectors_num: physical:%d, virtual:%d\n",
 		__func__,