Fix T98954: Color management is very slow with sequencer sound

Function `rna_ColorManagement_update` tagged unnecesary updates.

Reviewed By: sergey, brecht

Differential Revision: https://developer.blender.org/D15710

source/blender/makesrna/intern/rna_color.c

@@ -682,7 +682,6 @@ static void rna_ColorManagement_update(Main *UNUSED(bmain), Scene *UNUSED(scene)
   }
 
   if (GS(id->name) == ID_SCE) {
-    DEG_id_tag_update(id, 0);
     WM_main_add_notifier(NC_SCENE | ND_SEQUENCER, NULL);
   }
 }