IB/iser: Remove unused declaration in header file

The definition of iser_finalize_rdma_unaligned_sg() has been removed
since commit dd0107a0 ("IB/iser: set block queue_virt_boundary").
Let's remove the unused declaration in header file.
Signed-off-by: Zhang Zekun <zhangzekun11@huawei.com>
Link: https://patch.msgid.link/20240909121408.80079-2-zhangzekun11@huawei.comReviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Acked-by: Max Gurtovoy <mgurtovoy@nvidia.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>

drivers/infiniband/ulp/iser/iscsi_iser.h

@@ -507,10 +507,6 @@ void iser_task_rdma_finalize(struct iscsi_iser_task *task);
 
 void iser_free_rx_descriptors(struct iser_conn *iser_conn);
 
-void iser_finalize_rdma_unaligned_sg(struct iscsi_iser_task *iser_task,
-				     struct iser_data_buf *mem,
-				     enum iser_data_dir cmd_dir);
-
 int iser_reg_mem_fastreg(struct iscsi_iser_task *task,
 			 enum iser_data_dir dir,
 			 bool all_imm);