GA SDK for azure databox

[sojain]

Description

Stable ga sdk for azure databox, removing unused apis, using final contracts as per the new rest api specs and arm guidelines.
Addition of new fields, correctly marking readme and required fields
Descriptions for enums

Azure rest api spec sign off
Azure/azure-rest-api-specs#3885

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• Pull request includes test coverage for the included changes.

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[dsgouda]

Looks good for the most part

[sojain]

@dsgouda , as per your recommendation I have taken the fixes, can you take a relook. The service changes for the same have already been deployed. If things look ok can you please merge it. We have to release it on ignite 24th September as part of our GA announcement

[dsgouda]

One of the comments was not addressed. Please fix the test csproj and this is good to merge

[dsgouda]

LGTM will merge when CIs pass