remove some unneeded includes; one found by vetinari

src/usr.sbin/ntpd/ntp.c

@@ -1,4 +1,4 @@
-/*	$OpenBSD: ntp.c,v 1.90 2006/06/30 16:52:13 deraadt Exp $ */
+/*	$OpenBSD: ntp.c,v 1.91 2006/07/01 18:52:46 otto Exp $ */
 
 /*
  * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
@@ -32,7 +32,6 @@
 #include <unistd.h>
 
 #include "ntpd.h"
-#include "ntp.h"
 
 #define	PFD_PIPE_MAIN	0
 #define	PFD_HOTPLUG	1

src/usr.sbin/ntpd/ntp_msg.c

@@ -1,4 +1,4 @@
-/*	$OpenBSD: ntp_msg.c,v 1.15 2005/09/24 00:32:03 dtucker Exp $ */
+/*	$OpenBSD: ntp_msg.c,v 1.16 2006/07/01 18:52:46 otto Exp $ */
 
 /*
  * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
@@ -24,7 +24,6 @@
 #include <errno.h>
 
 #include "ntpd.h"
-#include "ntp.h"
 
 int
 ntp_getmsg(struct sockaddr *sa, char *p, ssize_t len, struct ntp_msg *msg)

src/usr.sbin/ntpd/server.c

@@ -1,4 +1,4 @@
-/*	$OpenBSD: server.c,v 1.29 2006/06/07 06:29:03 otto Exp $ */
+/*	$OpenBSD: server.c,v 1.30 2006/07/01 18:52:46 otto Exp $ */
 
 /*
  * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
@@ -26,7 +26,6 @@
 #include <unistd.h>
 
 #include "ntpd.h"
-#include "ntp.h"
 
 int
 setup_listeners(struct servent *se, struct ntpd_conf *conf, u_int *cnt)