scsi: bnx2fc: Remove set but not used variable 'oxid'

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/scsi/bnx2fc/bnx2fc_fcoe.c: In function 'bnx2fc_rcv':
drivers/scsi/bnx2fc/bnx2fc_fcoe.c:435:17: warning:
variable 'oxid' set but not used [-Wunused-but-set-variable]

Signed-off-by: YueHaibing <[e-mail]>
Signed-off-by: Martin K. Petersen <[e-mail]>

drivers/scsi/bnx2fc/bnx2fc_fcoe.c

···
 	struct fcoe_rcv_info *fr;
 	struct fcoe_percpu_s *bg;
 	struct sk_buff *tmp_skb;
-	unsigned short oxid;
 
 	interface = container_of(ptype, struct bnx2fc_interface,
 				 fcoe_packet_type);
···
 
 	skb_set_transport_header(skb, sizeof(struct fcoe_hdr));
 	fh = (struct fc_frame_header *) skb_transport_header(skb);
-
-	oxid = ntohs(fh->fh_ox_id);
 
 	fr = fcoe_dev_from_skb(skb);
 	fr->fr_dev = lport;