Depsgraph / Du[plication: Remove workaround flag from ID

Animation does no longer tag IDs as updated, so flag is not
needed anymore.

source/blender/blenkernel/intern/object_dupli.c

@@ -364,10 +364,6 @@ static void make_duplis_frames(const DupliContext *ctx)
 	/* duplicate over the required range */
 	if (ob->transflag & OB_DUPLINOSPEED) enable_cu_speed = 0;
 
-	/* special flag to avoid setting recalc flags to notify the depsgraph of
-	 * updates, as this is not a permanent change to the object */
-	ob->id.tag |= LIB_TAG_ANIM_NO_RECALC;
-
 	for (scene->r.cfra = ob->dupsta; scene->r.cfra <= dupend; scene->r.cfra++) {
 		int ok = 1;