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>

6273899 gcc and cmd/sunpc don't get along
6309267 gcc and ucblib don't get along
6309383 gcc and aoutexec don't get along

OpenSolaris Launch