starter: Remove all ties to pluto/libfreeswan.

Moved some types/constants in the process.

src/starter/starter.c

@@ -30,16 +30,12 @@
 #include <grp.h>
 #include <pthread.h>
 
-#include <freeswan.h>
 #include <library.h>
 #include <hydra.h>
 #include <utils/backtrace.h>
 #include <threading/thread.h>
 #include <debug.h>
 
-#include "../pluto/constants.h"
-#include "../pluto/defs.h"
-
 #include "confread.h"
 #include "files.h"
 #include "starterstroke.h"