Remove headers.h

src/checkpoints.cpp

@@ -5,9 +5,11 @@
 #include <boost/assign/list_of.hpp> // for 'map_list_of()'
 #include <boost/foreach.hpp>
 
-#include "headers.h"
 #include "checkpoints.h"
 
+#include "main.h"
+#include "uint256.h"
+
 namespace Checkpoints
 {
     typedef std::map<int, uint256> MapCheckpoints;