Removed function to manage exit, that is useless

diff --git a/songbook-editor.py b/songbook-editor.py
index 28c90f4..19cdab8 100755
--- a/songbook-editor.py
+++ b/songbook-editor.py
@@ -23,9 +23,6 @@ class interface(QtGui.QMainWindow):
         self.sep = ":::"
         self.sep_song = "***"

-        # Connections
-        self.connect(self.ui.actionEsci_2, QtCore.SIGNAL("activated()"), self.exit_called)
-
         # Song edit part
         self.connect(self.ui.btn_create_latex_song, QtCore.SIGNAL("clicked()"), self.create_latex_song)
         self.connect(self.ui.btn_savesong, QtCore.SIGNAL("clicked()"), self.savesong)
@@ -54,9 +51,6 @@ class interface(QtGui.QMainWindow):
     def delete_item_from_list(self):
         item = self.ui.list_songs.currentRow()
         self.ui.list_songs.takeItem(item)
-
-    def exit_called(self):
-        print "TODO: Save data on exit"

     def get_active_song(self):
         newtitle = unicode(self.ui.le_title.text())