[gnome-software] trivial: sources dialog: Remove an unused field

[Kalev Lember <klember src gnome org>]

commit 52f36ca80088d41b734875c32391bb4967e78fb1
Author: Kalev Lember <klember redhat com>
Date:   Sat Jan 27 16:25:47 2018 +0100

    trivial: sources dialog: Remove an unused field

 src/gs-sources-dialog.c | 3 ---
 1 file changed, 3 deletions(-)
---
diff --git a/src/gs-sources-dialog.c b/src/gs-sources-dialog.c
index 71070ea3..31a19f40 100644
--- a/src/gs-sources-dialog.c
+++ b/src/gs-sources-dialog.c
@@ -343,7 +343,6 @@ get_sources_cb (GsPluginLoader *plugin_loader,
                if (gs_app_get_state (app) != AS_APP_STATE_INSTALLED)
                        continue;
                add_source (GTK_LIST_BOX (dialog->listbox), app);
-               gs_app_list_add (dialog->source_list, app);
        }
 }
 
@@ -682,7 +681,6 @@ gs_sources_dialog_dispose (GObject *object)
                g_clear_object (&dialog->cancellable);
        }
        g_clear_object (&dialog->settings);
-       g_clear_object (&dialog->source_list);
        g_clear_object (&dialog->nonfree_source_list);
 
        G_OBJECT_CLASS (gs_sources_dialog_parent_class)->dispose (object);
@@ -696,7 +694,6 @@ gs_sources_dialog_init (GsSourcesDialog *dialog)
 
        gtk_widget_init_template (GTK_WIDGET (dialog));
 
-       dialog->source_list = gs_app_list_new ();
        dialog->nonfree_source_list = gs_app_list_new ();
        dialog->cancellable = g_cancellable_new ();
        dialog->settings = g_settings_new ("org.gnome.software");