Remove wxUSE_WCHAR_T checks.

wxWidgets requires wchar_t for some time now; wx/chartype.h has a check
to fail complation without it. Simplify code by removing now-dead code
for the !wxUSE_WCHAR_T case.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@63991 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/convauto.h

@@ -14,8 +14,6 @@
 #include "wx/strconv.h"
 #include "wx/fontenc.h"
 
-#if wxUSE_WCHAR_T
-
 // ----------------------------------------------------------------------------
 // wxConvAuto: uses BOM to automatically detect input encoding
 // ----------------------------------------------------------------------------
@@ -144,7 +142,5 @@ private:
     wxDECLARE_NO_ASSIGN_CLASS(wxConvAuto);
 };
 
-#endif // wxUSE_WCHAR_T
-
 #endif // _WX_CONVAUTO_H_