Revert all wxNOEXCEPT-related changes.

This reverts r72978, 72984, 72989 and 72992. Do not use wxNOEXCEPT for
wxTextCtrl dtor as this breaks compilation of any user-defined classes
inheriting from it unless they use wxNOEXCEPT as well and the benefits
(fixing a harmless warning for the niche ICC compiler) are just not worth
the compatibility breakage.

See #14826.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@72993 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/treectlg.cpp

@@ -95,8 +95,6 @@ class WXDLLEXPORT wxTreeTextCtrl: public wxTextCtrl
 public:
     wxTreeTextCtrl(wxGenericTreeCtrl *owner, wxGenericTreeItem *item);
 
-    virtual ~wxTreeTextCtrl() wxNOEXCEPT {}
-
     void EndEdit( bool discardChanges );
 
     const wxGenericTreeItem* item() const { return m_itemEdited; }