Removed more unessicary includes

src/BlockEntities/SignEntity.cpp

@@ -4,9 +4,9 @@
 // Implements the cSignEntity class representing a single sign in the world
 
 #include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules
-#include "json/json.h"
+#include "json/value.h"
 #include "SignEntity.h"
-#include "../Entities/Player.h"
+#include "../ClientHandle.h"