[gnome-control-center] network: Remove unused GCancellable

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 80a2af7f3265376f6a5f4dcb82c26d6d462804f0
Author: Robert Ancell <robert ancell canonical com>
Date:   Wed Nov 6 14:13:39 2019 +1300

    network: Remove unused GCancellable

 panels/network/connection-editor/ce-page.c | 13 -------------
 panels/network/connection-editor/ce-page.h |  1 -
 2 files changed, 14 deletions(-)
---
diff --git a/panels/network/connection-editor/ce-page.c b/panels/network/connection-editor/ce-page.c
index 0d994b281..caf150055 100644
--- a/panels/network/connection-editor/ce-page.c
+++ b/panels/network/connection-editor/ce-page.c
@@ -73,17 +73,6 @@ dispose (GObject *object)
         G_OBJECT_CLASS (ce_page_parent_class)->dispose (object);
 }
 
-static void
-finalize (GObject *object)
-{
-        CEPage *self = CE_PAGE (object);
-
-        g_cancellable_cancel (self->cancellable);
-        g_clear_object (&self->cancellable);
-
-        G_OBJECT_CLASS (ce_page_parent_class)->finalize (object);
-}
-
 GtkWidget *
 ce_page_get_page (CEPage *self)
 {
@@ -160,7 +149,6 @@ static void
 ce_page_init (CEPage *self)
 {
         self->builder = gtk_builder_new ();
-        self->cancellable = g_cancellable_new ();
 }
 
 static void
@@ -170,7 +158,6 @@ ce_page_class_init (CEPageClass *page_class)
 
         /* virtual methods */
         object_class->dispose      = dispose;
-        object_class->finalize     = finalize;
         object_class->get_property = get_property;
         object_class->set_property = set_property;
 
diff --git a/panels/network/connection-editor/ce-page.h b/panels/network/connection-editor/ce-page.h
index 71bb29318..adc3afcad 100644
--- a/panels/network/connection-editor/ce-page.h
+++ b/panels/network/connection-editor/ce-page.h
@@ -50,7 +50,6 @@ struct _CEPage
 
         NMConnection *connection;
         NMClient *client;
-        GCancellable *cancellable;
 };
 
 struct _CEPageClass