add case for delete when there is a 404

Author: wTylerReid

pkg/controller/direct/logging/link_controller.go

@@ -248,6 +248,11 @@ func (a *LoggingLinkAdapter) Delete(ctx context.Context, deleteOp *directbase.De
 	req := &loggingpb.DeleteLinkRequest{Name: a.id.String()}
 	op, err := a.gcpClient.DeleteLink(ctx, req)
 	if err != nil {
+		if direct.IsNotFound(err) {
+			// Return success if not found (assume it was already deleted).
+			log.V(2).Info("skipping delete for non-existent LoggingLink, assuming it was already deleted", "name", a.id.String())
+			return true, nil
+		}
 		return false, fmt.Errorf("deleting Link %s: %w", a.id, err)
 	}
 	log.V(2).Info("successfully deleted Link", "name", a.id)