[pybliographer] ui: Remove deprecated use of set_data

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

commit 3112ae8c7a496d9a18eea91edb95c14d0d35498c
Author: Germán Poo-Caamaño <gpoo gnome org>
Date:   Thu Mar 29 23:57:12 2018 -0300

    ui: Remove deprecated use of set_data

 Pyblio/GnomeUI/Editor.py |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/Pyblio/GnomeUI/Editor.py b/Pyblio/GnomeUI/Editor.py
index 19966ca..b96828f 100644
--- a/Pyblio/GnomeUI/Editor.py
+++ b/Pyblio/GnomeUI/Editor.py
@@ -1212,7 +1212,6 @@ class LT_Widget_1:
                               gtk.POLICY_AUTOMATIC)
         self.display_list (self.entry, self.editor.lt_nodes)
 
-        self.page.set_data ('pyblio-owner', self)
         self.page.show_all()
         self.notebook.insert_page (self.page, self.label, position)
         #list_remove (self.editor.fields, self.keys) 
@@ -1284,7 +1283,6 @@ class LT_Widget_2:
         self.label = gtk.Label()
         self.page.add(self.content)
         self.content.grab_focus()
-        self.page.set_data ('pyblio-owner', self)
         self.content.set_wrap_mode (gtk.WRAP_WORD)
         self.buff.connect('changed', self.changed_cb)
         self.hidden = True