Removing multiple applications leaves orphan applications

I have a bundle with ~20 applications in it. When I remove all of them at once, sometimes some of the applications get left behind as orphans. `juju status` will show an empty model, but `kubectl get pods` will show pods left behind:

```
$ juju status
Model Controller Cloud/Region Version SLA Timestamp
kubeflow cdkkf cdkkf 2.6.1 unsupported 17:22:28-05:00

Model "admin/kubeflow" is empty.
```

```
$ kubectl get pods
NAMESPACE NAME READY STATUS RESTARTS AGE
kubeflow mariadb-0 1/1 Running 0 3m34s
kubeflow minio-b985c7975-z5cfc 1/1 Running 0 3m22s
kubeflow pipelines-api-864c768d5c-6mrp2 1/1 Running 0 3m10s
kubeflow pipelines-dashboard-794848d6d7-592mb 1/1 Running 0 3m11s
kubeflow pipelines-persistence-f977d4ff8-qds46 1/1 Running 0 3m4s
kubeflow pipelines-scheduledworkflow-86676b966c-hrfft 1/1 Running 0 2m57s
kubeflow tensorboard-65755bcb4d-dh2nm 1/1 Running 0 4m5s
kubeflow tf-job-dashboard-8f55f4964-x5jnc 1/1 Running 0 3m57s
kubeflow tf-job-operator-774b98d9cc-p5rdh 1/1 Running 0 3m50s
```

The corresponding deployments and statefulsets are left behind as well, and removing them with kubectl cleans them up appropriately.