scsi: Revert "scsi: ufs: core: Probe for EXT_IID support"

This reverts commit 6e1d850a.

Although added a while ago, to date no one make use of ext_iid,
specifically incorporates it in the upiu header.  Therefore, remove it as
it is currently unused and not serving any purpose.

Signed-off-by: Avri Altman <avri.altman@wdc.com>
Link: https://lore.kernel.org/r/20250103080204.63951-1-avri.altman@wdc.com


Cc: Can Guo <quic_cang@quicinc.com>
Cc: Asutosh Das <quic_asutoshd@quicinc.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>