refactor: remove unused ArchMiscWindows::removeDialog

src/lib/arch/win32/ArchMiscWindows.cpp

@@ -256,11 +256,6 @@ ArchMiscWindows::readValueInt(HKEY key, const TCHAR *name)
   return value;
 }
 
-void ArchMiscWindows::removeDialog(HWND hwnd)
-{
-  s_dialogs->erase(hwnd);
-}
-
 bool ArchMiscWindows::processDialog(MSG *msg)
 {
   for (Dialogs::const_iterator index = s_dialogs->begin(); index != s_dialogs->end(); ++index) {

src/lib/arch/win32/ArchMiscWindows.h

@@ -101,9 +101,6 @@ public:
   //! Read a DWORD value from the registry
   static DWORD readValueInt(HKEY, const TCHAR *name);
 
-  //! Remove a dialog
-  static void removeDialog(HWND);
-
   //! Process dialog message
   /*!
   Checks if the message is destined for a dialog.  If so the message