mib: drop unused TCP_XXX_STATS macros

TCP_INC_STATS_USER and TCP_ADD_STATS_BH are currently unused.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/tcp.h

@@ -268,9 +268,7 @@ extern struct proto tcp_prot;
 DECLARE_SNMP_STAT(struct tcp_mib, tcp_statistics);
 #define TCP_INC_STATS(field)		SNMP_INC_STATS(tcp_statistics, field)
 #define TCP_INC_STATS_BH(field)		SNMP_INC_STATS_BH(tcp_statistics, field)
-#define TCP_INC_STATS_USER(field) 	SNMP_INC_STATS_USER(tcp_statistics, field)
 #define TCP_DEC_STATS(field)		SNMP_DEC_STATS(tcp_statistics, field)
-#define TCP_ADD_STATS_BH(field, val)	SNMP_ADD_STATS_BH(tcp_statistics, field, val)
 #define TCP_ADD_STATS_USER(field, val)	SNMP_ADD_STATS_USER(tcp_statistics, field, val)
 
 extern void			tcp_v4_err(struct sk_buff *skb, u32);