remove libevent remnants

.gitignore

@@ -5,6 +5,7 @@
 *.o
 *.la
 *.lo
+*.orig
 
 .deps
 .dirstamp

ntpd.patch

@@ -8,3 +8,36 @@
  #include <unistd.h>
  #include <err.h>
  
+--- ntpd.orig	Sun Dec 28 16:11:35 2014
++++ ntpd.h	Sun Dec 28 16:12:14 2014
+@@ -28,7 +28,6 @@
+ #include <netdb.h>
+ #include <pwd.h>
+ #include <stdarg.h>
+-#include <event.h>
+ #include <poll.h>
+ 
+ #include "ntp.h"
+@@ -190,14 +189,6 @@
+ 	u_int8_t					filters;
+ };
+ 
+-struct imsgev {
+-	struct imsgbuf		 ibuf;
+-	void			(*handler)(int, short, void *);
+-	struct event		 ev;
+-	void			*data;
+-	short			 events;
+-};
+-
+ struct ctl_show_status {
+ 	u_int		 peercnt;
+ 	u_int		 sensorcnt;
+@@ -240,7 +231,6 @@
+ 
+ struct ctl_conn {
+ 	TAILQ_ENTRY(ctl_conn)	entry;
+-	struct imsgev		iev;
+ 	struct imsgbuf		ibuf;
+ };
+