Remove wx/{radiobut,ownerdrw,menuitem,menu,listbox}.h from *.h

src/commands/AudacityCommand.h

@@ -20,7 +20,6 @@
 #include <wx/defs.h>
 #include <wx/dynarray.h>
 
-class wxListBox;
 class wxWindow;
 
 #include "../SampleFormat.h"

src/commands/CommandManager.h

@@ -32,6 +32,8 @@
 class wxMenu;
 class wxMenuBar;
 class wxArrayString;
+class wxMenu;
+class wxMenuBar;
 class TranslatedInternalString;
 using CommandParameter = CommandID;