staging: rtl8188eu: Remove unused functons defined in rtw_br_ext.c

This patch removes some functions defined in rtw_br_ext.c, which have become
obsolete after removal of rtw_br_client_tx().
Signed-off-by: navin patidar <navin.patidar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/include/usb_osintf.h

@@ -34,7 +34,6 @@ void dhcp_flag_bcast(struct adapter *priv, struct sk_buff *skb);
 void *scdb_findEntry(struct adapter *priv, unsigned char *macAddr,
 		     unsigned char *ipAddr);
 void nat25_db_expire(struct adapter *priv);
-int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method);
 
 int rtw_resume_process(struct adapter *padapter);