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

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

commit 51df8ccf15b64e2ce8888c5e4e13372a22d6dad5
Author: Robert Ancell <robert ancell canonical com>
Date:   Thu Oct 24 11:29:25 2019 +1300

    network: Remove unused enum

 panels/network/cc-network-panel.c | 6 ------
 1 file changed, 6 deletions(-)
---
diff --git a/panels/network/cc-network-panel.c b/panels/network/cc-network-panel.c
index eead21b91..b634b22a8 100644
--- a/panels/network/cc-network-panel.c
+++ b/panels/network/cc-network-panel.c
@@ -78,12 +78,6 @@ struct _CcNetworkPanel
         gboolean          operation_done;
 };
 
-enum {
-        PANEL_DEVICES_COLUMN_ICON,
-        PANEL_DEVICES_COLUMN_OBJECT,
-        PANEL_DEVICES_COLUMN_LAST
-};
-
 enum {
         PROP_0,
         PROP_PARAMETERS