[pybliographer] ui: remove method with deprecated use of libgnomeui

[Germán Poo-Caamaño <gpoo src gnome org>]

commit e90f57ec390eac12cbb77f4ea00907b2d1be68be
Author: Germán Poo-Caamaño <gpoo gnome org>
Date:   Mon Mar 26 00:35:15 2018 -0300

    ui: remove method with deprecated use of libgnomeui
    
    The method is never called, it does not worth to port it to a
    newer API.

 Pyblio/GnomeUI/Config.py |    9 +--------
 1 files changed, 1 insertions(+), 8 deletions(-)
---
diff --git a/Pyblio/GnomeUI/Config.py b/Pyblio/GnomeUI/Config.py
index 24a87e9..f73b2d6 100644
--- a/Pyblio/GnomeUI/Config.py
+++ b/Pyblio/GnomeUI/Config.py
@@ -23,9 +23,8 @@
 # List view troubles
 
 import gobject, gtk, gtk.glade
-import gnome.ui 
 
-import copy, os.path, re, string   
+import copy, os.path, re, string
 
 from Pyblio.GnomeUI import Utils
 from Pyblio import Config, version
@@ -134,12 +133,6 @@ class ConfigDialog (Utils.GladeWindow):
     def show (self):
         self.dialog.show_all()
         
-    def display_help (self, w, data):
-        (w, help) = data
-        d = gnome.ui.OkDialog (format (help, 40, 0, 0), w)
-        d.show_all ()
-        return
-        
     def changed (self):
         if not self.warning:
             self.warning = True