cleanup revision metadata files

When a revision is restored we need to delete the `.mlock` and `.mpk` files. to cleanup we can remove any such files that do not have a node file:
```
ls /home/jfd/storage-users/spaces/so/me-admin-user-id-0000-000000000000/nodes/b6/14/f3/3b/-463f-4b5a-8d23-ecf199b7f42e*
/home/jfd/storage-users/spaces/so/me-admin-user-id-0000-000000000000/nodes/b6/14/f3/3b/-463f-4b5a-8d23-ecf199b7f42e
/home/jfd/storage-users/spaces/so/me-admin-user-id-0000-000000000000/nodes/b6/14/f3/3b/-463f-4b5a-8d23-ecf199b7f42e.mlock
/home/jfd/storage-users/spaces/so/me-admin-user-id-0000-000000000000/nodes/b6/14/f3/3b/-463f-4b5a-8d23-ecf199b7f42e.mpk
/home/jfd/storage-users/spaces/so/me-admin-user-id-0000-000000000000/nodes/b6/14/f3/3b/-463f-4b5a-8d23-ecf199b7f42e.REV.2022-10-14T13:36:28.000000212Z.mlock
/home/jfd/storage-users/spaces/so/me-admin-user-id-0000-000000000000/nodes/b6/14/f3/3b/-463f-4b5a-8d23-ecf199b7f42e.REV.2022-10-14T13:36:28.000000212Z.mpk
/home/jfd/storage-users/spaces/so/me-admin-user-id-0000-000000000000/nodes/b6/14/f3/3b/-463f-4b5a-8d23-ecf199b7f42e.REV.2023-08-17T14:35:05.635432608Z.mlock
/home/jfd/storage-users/spaces/so/me-admin-user-id-0000-000000000000/nodes/b6/14/f3/3b/-463f-4b5a-8d23-ecf199b7f42e.REV.2023-08-17T14:35:05.635432608Z.mpk
/home/jfd/storage-users/spaces/so/me-admin-user-id-0000-000000000000/nodes/b6/14/f3/3b/-463f-4b5a-8d23-ecf199b7f42e.REV.2023-08-17T14:35:31.094117344Z
/home/jfd/storage-users/spaces/so/me-admin-user-id-0000-000000000000/nodes/b6/14/f3/3b/-463f-4b5a-8d23-ecf199b7f42e.REV.2023-08-17T14:35:31.094117344Z.mlock
/home/jfd/storage-users/spaces/so/me-admin-user-id-0000-000000000000/nodes/b6/14/f3/3b/-463f-4b5a-8d23-ecf199b7f42e.REV.2023-08-17T14:35:31.094117344Z.mpk
```

here
```
b6/14/f3/3b/-463f-4b5a-8d23-ecf199b7f42e.REV.2022-10-14T13:36:28.000000212Z.*
b6/14/f3/3b/-463f-4b5a-8d23-ecf199b7f42e.REV.2023-08-17T14:35:05.635432608Z.*
```
can be deleted