udp/udplite: Remove unused function declarations udp{,lite}_get_port()

Commit 6ba5a3c5 ("[UDP]: Make full use of proto.h.udp_hash innovation.")
removed these implementations but leave declarations.
Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/udp.h

@@ -273,9 +273,6 @@ static inline struct sk_buff *skb_recv_udp(struct sock *sk, unsigned int flags,
 
 int udp_v4_early_demux(struct sk_buff *skb);
 bool udp_sk_rx_dst_set(struct sock *sk, struct dst_entry *dst);
-int udp_get_port(struct sock *sk, unsigned short snum,
-		 int (*saddr_cmp)(const struct sock *,
-				  const struct sock *));
 int udp_err(struct sk_buff *, u32);
 int udp_abort(struct sock *sk, int err);
 int udp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len);

include/net/udplite.h

@@ -81,6 +81,4 @@ static inline __wsum udplite_csum(struct sk_buff *skb)
 }
 
 void udplite4_register(void);
-int udplite_get_port(struct sock *sk, unsigned short snum,
-		     int (*scmp)(const struct sock *, const struct sock *));
 #endif	/* _UDPLITE_H */