Tolerate failures to delete federated credentials during deletion (#3914)

pkg/cluster/delete.go

@@ -432,7 +432,7 @@ func (m *manager) deleteFederatedCredentials(ctx context.Context) error {
 					m.log.Errorf("federated identity credentials not found for %s: %v", identity.ResourceID, err.Error())
 					continue
 				} else {
-					return fmt.Errorf("failed to delete federated identity credentials for %s: %v", identity.ResourceID, err.Error())
+					m.log.Infof("failed to delete federated identity credentials for %s: %v", identity.ResourceID, err.Error())
 				}
 			}
 		}