15289 cmd: remove pragma ident
Reviewed by: Igor Kozhukhov <igor@dilos.org>
Reviewed by: Dan Cross <cross@oxidecomputer.com>
Approved by: Dan McDonald <danmcd@mnx.io>

6269760 gcc and cmd/devmgmt don't get along
6271252 gcc and cmd/listen don't get along
6273881 gcc and cmd/soelim don't get along

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