A REQUEST SENSE CDB was just copied into the cmd buffer, so testing for
INQUIRY will always fail. Remove the dead code.
This code was added, apparently by mistake in 2003. 8541fbec7900e
merged changes from NetBSD's umass_scsipi.c 1.8 to address some BBB
bulk-in clear problems. NetBSD had fixed a problem in the
FORCE_SHORT_INQUIRY quirk code they had ported from FreeBSD that FreeBSD
also needed. That merge also included the dead code, which was not in
NetBSD.
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