[AccessNode] Unstaked AN should start with modified root protocol snapshot that does not contain Identities

[vishalchangrani]

Problem Definition

What problem is this solving?

Currently, the root protocol snapshot file contain all the identities. These identities should not be exposed to the unstaked AN and it should be able to boot up from a version of the root protocol snapshot that does not contain these identities.

Proposed Solution

What are the proposed solutions to this problem?

Definition of Done

What tests must pass for this issue to be considered solved?

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