cifs: remove unused ip_address field in struct TCP_Server_Info

The ip_address field is not used and seems redundant as there is union addr
already and I don't see any future use as well.

Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de>
Signed-off-by: Steve French <sfrench@us.ibm.com>

fs/cifs/cifsglob.h

@@ -145,7 +145,6 @@ struct TCP_Server_Info {
 	struct list_head pending_mid_q;
 	void *Server_NlsInfo;	/* BB - placeholder for future NLS info  */
 	unsigned short server_codepage;	/* codepage for the server    */
-	unsigned long ip_address;	/* IP addr for the server if known */
 	enum protocolEnum protocolType;
 	char versionMajor;
 	char versionMinor;