IB: remove support for phys MRs

We have stopped using phys MRs in the kernel a while ago, so let's
remove all the cruft used to implement them.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> [core]
Reviewed-By: Devesh Sharma<devesh.sharma@avagotech.com> [ocrdma]
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

drivers/infiniband/hw/qib/qib_verbs.h

@@ -1032,10 +1032,6 @@ int qib_resize_cq(struct ib_cq *ibcq, int cqe, struct ib_udata *udata);
 
 struct ib_mr *qib_get_dma_mr(struct ib_pd *pd, int acc);
 
-struct ib_mr *qib_reg_phys_mr(struct ib_pd *pd,
-			      struct ib_phys_buf *buffer_list,
-			      int num_phys_buf, int acc, u64 *iova_start);
-
 struct ib_mr *qib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
 			      u64 virt_addr, int mr_access_flags,
 			      struct ib_udata *udata);