Remove forgotten leftover code for GTK+ 2

Author: vslavik

src/spellchecking.cpp

@@ -64,8 +64,6 @@ static GtkTextView *GetTextView(wxTextCtrl *ctrl)
     return NULL;
 }
 
-#if GTK_CHECK_VERSION(3,0,0)
-
 bool InitTextCtrlSpellchecker(wxTextCtrl *text, bool enable, const Language& lang)
 {
     GtkTextView *textview = GetTextView(text);
@@ -91,44 +89,6 @@ bool InitTextCtrlSpellchecker(wxTextCtrl *text, bool enable, const Language& lan
     }
 }
 
-#else // GTK+ 2.x
-
-bool InitTextCtrlSpellchecker(wxTextCtrl *text, bool enable, const Language& lang)
-{
-    GtkTextView *textview = GetTextView(text);
-    wxASSERT_MSG( textview, "wxTextCtrl is supposed to use GtkTextView" );
-    GtkSpell *spell = gtkspell_get_from_text_view(textview);
-
-    GError *err = NULL;
-
-    if (enable)
-    {
-        if (spell)
-            gtkspell_set_language(spell, lang.Code().c_str(), &err);
-        else
-            gtkspell_new_attach(textview, lang.Code().c_str(), &err);
-    }
-    else // !enable
-    {
-        // GtkSpell when used with Zemberek Enchant module doesn't work
-        // correctly if you repeatedly attach and detach a speller to text
-        // view. See https://poedit.net/trac/ticket/276 for details.
-        //
-        // To work around this, we set the language to a non-existent one
-        // instead of detaching GtkSpell -- this has the same effect as
-        // detaching the speller as far as the UI is concerned.
-        if (spell)
-            gtkspell_set_language(spell, "unknown_language", &err);
-    }
-
-    if (err)
-        g_error_free(err);
-
-    return err == NULL;
-}
-
-#endif // GTK+ 2.x
-
 #endif // __WXGTK__
 
 #ifdef __WXOSX__