[gnome-control-center] network: Don't explicitly disconnect signals that are automatically disconnected.

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

commit 362548fbd1f985b022a09efe39f092f58ce1bf43
Author: Robert Ancell <robert ancell canonical com>
Date:   Thu Nov 19 11:51:45 2020 +1300

    network: Don't explicitly disconnect signals that are automatically disconnected.

 panels/network/connection-editor/net-connection-editor.c | 4 ----
 1 file changed, 4 deletions(-)
---
diff --git a/panels/network/connection-editor/net-connection-editor.c 
b/panels/network/connection-editor/net-connection-editor.c
index 0e8ae890f..bcdf4c765 100644
--- a/panels/network/connection-editor/net-connection-editor.c
+++ b/panels/network/connection-editor/net-connection-editor.c
@@ -190,10 +190,6 @@ static void
 net_connection_editor_finalize (GObject *object)
 {
         NetConnectionEditor *self = NET_CONNECTION_EDITOR (object);
-        GSList *l;
-
-        for (l = self->pages; l != NULL; l = l->next)
-                g_signal_handlers_disconnect_by_func (l->data, page_changed, self);
 
         g_clear_object (&self->connection);
         g_clear_object (&self->orig_connection);