[SCSI] iscsi class, iscsi drivers: remove unused iscsi_transport attrs

max_cmd_len and max_conn are not really used. max_cmd_len is
always 16 and can be set by the LLD. max_conn is always one
since we do not support MCS.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

drivers/infiniband/ulp/iser/iscsi_iser.h

@@ -96,7 +96,6 @@
 					/* support upto 512KB in one RDMA */
 #define ISCSI_ISER_SG_TABLESIZE         (0x80000 >> SHIFT_4K)
 #define ISCSI_ISER_MAX_LUN		256
-#define ISCSI_ISER_MAX_CMD_LEN		16
 
 /* QP settings */
 /* Maximal bounds on received asynchronous PDUs */