[gnome-software] trivial: Drop an unused field

[Kalev Lember <klember src gnome org>]

commit 4d3578ca1374875e5fb70c110c77b17e46bf7e73
Author: Kalev Lember <klember redhat com>
Date:   Thu Feb 1 22:26:35 2018 +0100

    trivial: Drop an unused field

 src/gs-sources-dialog.c | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/src/gs-sources-dialog.c b/src/gs-sources-dialog.c
index 1713312e..707996db 100644
--- a/src/gs-sources-dialog.c
+++ b/src/gs-sources-dialog.c
@@ -34,7 +34,6 @@ struct _GsSourcesDialog
 {
        GtkDialog        parent_instance;
        GSettings       *settings;
-       GsAppList       *source_list;
        GsAppList       *nonfree_source_list;
 
        GCancellable    *cancellable;