Data Lake Store Accounts does not support Identity Type None

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API Version: `2016-11-01`
Endpoint: `/subscriptions/{id}/resourceGroups/{group}/providers/Microsoft.DataLakeStore/accounts/{account}`

This API supports the common Identity block/schema but in a different manner to other Azure Services/API's - where this API only the Type of 'SystemAssigned' to be specified.

Other Azure Services allow specifying a `Type` of `None` which'll ensure no identity is set - however this API requires passing `null` for the `identity` block instead.

Can this API be updated to match the behaviour of other API's, where `None` is an acceptable value?

Thanks

Start by locating the API specification for Data Lake Store accounts at API version 2016-11-01 and the endpoint described in the issue. Check how the identity schema represents supported types, then verify that the specification accepts None while preserving null identity behavior.

Written by the indexing model from the issue text.