zhangbailin b4f560d4e1 Improving the description for unshelve request body ...

The 'availability_zone' description in unshelve api-ref is confusing,
adding NOTE for unshelve request body:

Since microversion 2.77, allowed request body schema are {"unshelve":
null} or {"unshelve": {"availability_zone": <string>}}. A request body
of {"unshelve":{}} is not allowed.

Closes-Bug: #1908336
Change-Id: I66c209baf11c37ffebca52764263daae9e1dd50b

2021-01-05 12:21:01 +00:00

..

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Improving the description for unshelve request body

2021-01-05 12:21:01 +00:00