[NETFILTER]: remove unused include file

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/linux/netfilter_logging.h

-/* Internal logging interface, which relies on the real 
-   LOG target modules */
-#ifndef __LINUX_NETFILTER_LOGGING_H
-#define __LINUX_NETFILTER_LOGGING_H
-
-#ifdef __KERNEL__
-#include <asm/atomic.h>
-
-struct nf_logging_t {
-	void (*nf_log_packet)(struct sk_buff **pskb,
-			      unsigned int hooknum,
-			      const struct net_device *in,
-			      const struct net_device *out,
-			      const char *prefix);
-	void (*nf_log)(char *pfh, size_t len,
-		       const char *prefix);
-};
-
-extern void nf_log_register(int pf, const struct nf_logging_t *logging);
-extern void nf_log_unregister(int pf, const struct nf_logging_t *logging);
-
-extern void nf_log_packet(int pf,
-			  struct sk_buff **pskb,
-			  unsigned int hooknum,
-			  const struct net_device *in,
-			  const struct net_device *out,
-			  const char *fmt, ...);
-extern void nf_log(int pf,
-		   char *pfh, size_t len,
-		   const char *fmt, ...);
-#endif /*__KERNEL__*/
-
-#endif /*__LINUX_NETFILTER_LOGGING_H*/