[PATCH] blk-mq-rdma: remove queue mapping helper for rdma devices

[Sagi Grimberg]

>> No rdma device exposes its irq vectors affinity today. So the only
>> mapping that we have left, is the default blk_mq_map_queues, which
>> we fallback to anyways. Also fixup the only consumer of this helper
>> (nvme-rdma).
> 
> This was the only caller of ib_get_vector_affinity() so please delete
> op get_vector_affinity and ib_get_vector_affinity() from verbs as well

Yep, no problem.

Given that nvme-rdma was the only consumer, do you prefer this goes from
the nvme tree?