Squash to "bpf: Export more bpf_burst related functions"

Drop bpf_mptcp_subflow_queues_empty declaration.

Signed-off-by: Geliang Tang <[email protected]>

net/mptcp/protocol.h

@@ -721,7 +721,6 @@ void mptcp_subflow_queue_clean(struct sock *sk, struct sock *ssk);
 void mptcp_sock_graft(struct sock *sk, struct socket *parent);
 u64 mptcp_wnd_end(const struct mptcp_sock *msk);
 void mptcp_set_timeout(struct sock *sk);
-bool bpf_mptcp_subflow_queues_empty(struct sock *sk);
 struct sock *__mptcp_nmpc_sk(struct mptcp_sock *msk);
 bool __mptcp_close(struct sock *sk, long timeout);
 void mptcp_cancel_work(struct sock *sk);