Sort includes and remove bogus typedef of modeventhand_t, since this

isn't used in the example any more.

Pointed out by:		bde

share/man/man9/module.9

@@ -63,8 +63,8 @@ contains the value of
 .Sh EXAMPLES
 .Bd -literal
 #include <sys/param.h>
-#include <sys/module.h>
 #include <sys/kernel.h>
+#include <sys/module.h>
 
 static int foo_handler(module_t mod, int /*modeventtype_t*/ what,
                        void *arg);
@@ -79,10 +79,6 @@ MODULE_VERSION(foo, 1);
 MODULE_DEPEND(foo, bar, 1, 3, 4);
 
 DECLARE_MODULE(foo, mod_data, SI_SUB_EXEC, SI_ORDER_ANY);
-
-/* from module.h: */
-typedef int (*modeventhand_t)(module_t mod, int /*modeventtype_t*/ what,
-                              void *arg);
 .Ed
 .Sh SEE ALSO
 .Xr DEV_MODULE 9 ,