I am trying to restore a mngo db from dump. Here is `sessions.metadata.json` snippet:

```
{
  "options": {
    "create": "sessions",
    "flags": 1
  },
  "indexes": [
    {
      "v": 1,
      "name": "_id_",
      "key": {
        "_id": 1
      },
      "ns": "myPrefix.sessions"
    },
    {
      "v": 1,
      "name": "expires_1",
      "key": {
        "expires": 1
      },
      "ns": "myPrefix.sessions",
      "expireAfterSeconds": 0
    }
  ]
}

```

The source mongo db version is `2.4` target mongo is `3.6`. And I get error:

```
Failed: myPrefix.sessions: error creating collection myPrefix.sessions: error running create command: Parsed command object contains duplicate top level key: create

```

As I spot other `metadata.json` files which restored without errors do not contain `options` section. Why it is needed? Can I safely remove `options` section from my `sessions.metadata.json`?