iser-target: Remove unused variables

	sema_init(&isert_np->np_sem, 0);

	mutex_init(&isert_np->np_accept_mutex);

	INIT_LIST_HEAD(&isert_np->np_accept_list);

	init_completion(&isert_np->np_login_comp);

	isert_np->np = np;

	/*

};

struct isert_rdma_wr {

	struct list_head	wr_list;

	struct isert_cmd	*isert_cmd;

	enum iser_ib_op_code	iser_ib_op;

	struct ib_sge		*ib_sge;

	uint64_t		write_va;

	u64			pdu_buf_dma;

	u32			pdu_buf_len;

	u32			read_va_off;

	u32			write_va_off;

	u32			rdma_wr_num;

	struct isert_conn	*conn;

	struct iscsi_cmd	*iscsi_cmd;

	struct iser_tx_desc	tx_desc;

	struct rdma_cm_id	*np_cm_id;

	struct mutex		np_accept_mutex;

	struct list_head	np_accept_list;

	struct completion	np_login_comp;

};