[epiphany] ephy-web-extension: Remove unused cancellable

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 69fa50f07bcdaeae7c13b6d78283f44c2c64a9be
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Tue Nov 1 18:54:42 2016 -0500

    ephy-web-extension: Remove unused cancellable
    
    It's not needed anymore after the EphyUriTester rework, I just failed to
    notice.

 embed/web-extension/ephy-web-extension.c |    5 -----
 1 files changed, 0 insertions(+), 5 deletions(-)
---
diff --git a/embed/web-extension/ephy-web-extension.c b/embed/web-extension/ephy-web-extension.c
index 6627822..6f7d912 100644
--- a/embed/web-extension/ephy-web-extension.c
+++ b/embed/web-extension/ephy-web-extension.c
@@ -50,7 +50,6 @@ struct _EphyWebExtension {
   gboolean initialized;
 
   GDBusConnection *dbus_connection;
-  GCancellable *cancellable;
 
   EphyFormAuthDataCache *form_auth_data_cache;
   GHashTable *form_auth_data_save_requests;
@@ -1293,9 +1292,7 @@ ephy_web_extension_dispose (GObject *object)
     extension->form_auth_data_save_requests = NULL;
   }
 
-  g_clear_object (&extension->cancellable);
   g_clear_object (&extension->dbus_connection);
-
   g_clear_object (&extension->extension);
 
   G_OBJECT_CLASS (ephy_web_extension_parent_class)->dispose (object);
@@ -1365,8 +1362,6 @@ ephy_web_extension_initialize (EphyWebExtension   *extension,
                             G_CALLBACK (ephy_web_extension_page_created_cb),
                             extension);
 
-  extension->cancellable = g_cancellable_new ();
-
   observer = g_dbus_auth_observer_new ();
   g_signal_connect (observer, "authorize-authenticated-peer",
                     G_CALLBACK (authorize_authenticated_peer_cb), extension);