core: cleanup headers

src/entt/core/any.hpp

@@ -6,10 +6,10 @@
 #include <type_traits>
 #include <utility>
 #include "../config/config.h"
-#include "../core/utility.hpp"
 #include "fwd.hpp"
 #include "type_info.hpp"
 #include "type_traits.hpp"
+#include "utility.hpp"
 
 namespace entt {
 

src/entt/core/type_info.hpp

@@ -5,7 +5,7 @@
 #include <type_traits>
 #include <utility>
 #include "../config/config.h"
-#include "../core/attribute.h"
+#include "attribute.h"
 #include "fwd.hpp"
 #include "hashed_string.hpp"