[gtranslator] Fix double deactivate for windowactivatable plugins

[Ignacio Casal Quinteiro <icq src gnome org>]

commit 5fd72b3875722b368cd2ef6e342e1df287d4ee97
Author: Jesse van den Kieboom <jesse vandenkieboom epfl ch>
Date:   Sun Dec 19 23:35:35 2010 +0100

    Fix double deactivate for windowactivatable plugins

 src/gtr-window.c |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/src/gtr-window.c b/src/gtr-window.c
index f9ce6a8..f20cf41 100644
--- a/src/gtr-window.c
+++ b/src/gtr-window.c
@@ -1925,10 +1925,8 @@ gtr_window_dispose (GObject * object)
     {
       save_panes_state (window);
 
-      peas_extension_set_call (priv->extensions,
-                               "deactivate",
-                               window);
-
+      /* Note that unreffing the extensions will automatically remove
+         all extensions which in turn will deactivate the extension */
       g_object_unref (priv->extensions);
 
       peas_engine_garbage_collect (PEAS_ENGINE (gtr_plugins_engine_get_default ()));