CodeGen from PR 13814 in Azure/azure-rest-api-specs

Anf 10997 NetApp Files update swagger rest api to 2021-02-01 (#13814)

* Add api-version 2021-02-01 folder

* apply udpates

* Update readme

* update backaupStatus operationid

* Update account encryption settings

* Pretty

* Fix plural

* Add x-ms-pageable to AccountBackups_List

* change next link

* remove tag from backup proxy resource

* revert change to 2020-12

* remove tag from backup proxy resource

* Add x-ms-pageable to AccountBackups_List

* Pretty

* Add Snapshotpolicy to volumePatch

* Add Snapshotpolicy to volumeupdate example file

* Change subscription id in example

* Change subscription id in example

* pretty

* Remove AccountEncryption proptery, some non funcitonal validation warning fixes

* Fix example for backupoperators and securityoperators

* Remove readme.azureresourceschema.md

* Adding tags back to backuppatch, removing needs breaking change reivew

* fix prettier

Co-authored-by: Audunn Baldvinsson <audunn.baldvinsson@netapp.com>

Author: SDKAuto