Remove wx/{log.h, image.h, listctrl.h, utils.h} from headers

src/prefs/KeyConfigPrefs.h

@@ -17,7 +17,6 @@ class ShuttleGui;
 
 #include <wx/defs.h>
 #include <wx/imaglist.h>
-#include <wx/listctrl.h>
 #include <wx/radiobut.h>
 #include <wx/srchctrl.h>
 #include <wx/timer.h>

src/prefs/MousePrefs.h

@@ -11,10 +11,9 @@
 
 #include <wx/defs.h>
 
-#include <wx/listctrl.h>
-
 #include "PrefsPanel.h"
 
+class wxListCtrl;
 class ShuttleGui;
 
 class MousePrefs final : public PrefsPanel