IB/srp: Remove srp_finish_mapping

No callers left, remove it.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Tested-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

drivers/infiniband/ulp/srp/ib_srp.c

@@ -1368,16 +1368,6 @@ static int srp_map_finish_fr(struct srp_map_state *state,
 	return n;
 }
 
-static int srp_finish_mapping(struct srp_map_state *state,
-			      struct srp_rdma_ch *ch)
-{
-	struct srp_target_port *target = ch->target;
-	struct srp_device *dev = target->srp_host->srp_dev;
-
-	return dev->use_fast_reg ? srp_map_finish_fr(state, ch) :
-				   srp_map_finish_fmr(state, ch);
-}
-
 static int srp_map_sg_entry(struct srp_map_state *state,
 			    struct srp_rdma_ch *ch,
 			    struct scatterlist *sg, int sg_index)