qcacmn: Remove invalid vdev_id workaround in PMO

A previous change included a workaround for HDD sending an invalid
vdev_id to PMO during NS/ARP configuration. Since the original HDD
issue has been resolved, remove the workaround in PMO.

Change-Id: I9507fd40e25943cfb855419687a1857bdda7331f
CRs-Fixed: 2051314
2 files changed