more /Wp64 warning fixes: mostly use UINT_PTR instead of UINT and define our WX[WL]PARAM with __w64 if available to avoid hundreds of warnings when casting LPARAMs to pointers/handles

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@52165 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/window.h

@@ -597,17 +597,4 @@ public:
     ~wxWindowCreationHook();
 };
 
-// ----------------------------------------------------------------------------
-// global objects
-// ----------------------------------------------------------------------------
-
-// notice that this hash must be defined after wxWindow declaration as it
-// needs to "see" its dtor and not just forward declaration
-#include "wx/hash.h"
-
-// pseudo-template HWND <-> wxWindow hash table
-WX_DECLARE_HASH(wxWindowMSW, wxWindowList, wxWinHashTable);
-
-extern wxWinHashTable *wxWinHandleHash;
-
 #endif // _WX_WINDOW_H_