RDMA/core/sa_query: Remove unused argument

Fixes:4c33bd19 ("IB/SA: Add support to query OPA path records")
Link: https://lore.kernel.org/r/1624624257-3677-1-git-send-email-haakon.bugge@oracle.com


Signed-off-by: Håkon Bugge <haakon.bugge@oracle.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>