Moved XPData array to DataManager and removed DataMaps.

After removing C++11 features, only the declaration of XPData remained in DataMaps, making it somewhat pointless to separate XPData from DataManager.

xpcPlugin/DataManager.cpp

@@ -15,7 +15,6 @@
 //    without specific prior written permission from the authors or
 //    Laminar Research, respectively.
 #include "DataManager.h"
-#include "DataMaps.h"
 #include "Log.h"
 
 #include "XPLMDataAccess.h"
@@ -33,6 +32,8 @@ namespace XPC
 	static map<DREF, XPLMDataRef> mdrefs[20];
 	static map<string, XPLMDataRef> sdrefs;
 
+	DREF XPData[134][8] = { DREF_None };
+
 	void DataManager::Initialize()
 	{
 		drefs.insert(make_pair(DREF_None, XPLMFindDataRef("sim/test/test_float")));