[gnome-control-center] network: Really fix clone MAC support

[Bastien Nocera <hadess src gnome org>]

commit a2a70c7376f6cf3d6161441d2a59e93f83ba21a5
Author: Bastien Nocera <hadess hadess net>
Date:   Tue Feb 6 11:10:53 2018 +0100

    network: Really fix clone MAC support
    
    This isn't a container, but a text entry. Bug introduced in commit
    6b043fd.

 .../network/connection-editor/ce-page-ethernet.c   |    7 ++-----
 1 files changed, 2 insertions(+), 5 deletions(-)
---
diff --git a/panels/network/connection-editor/ce-page-ethernet.c 
b/panels/network/connection-editor/ce-page-ethernet.c
index dbca6b9..67c4478 100644
--- a/panels/network/connection-editor/ce-page-ethernet.c
+++ b/panels/network/connection-editor/ce-page-ethernet.c
@@ -96,11 +96,8 @@ ui_to_setting (CEPageEthernet *page)
                 device_mac = ce_page_trim_address (text);
         }
 
-        entry = gtk_bin_get_child (GTK_BIN (page->cloned_mac));
-        if (entry) {
-                text = gtk_entry_get_text (GTK_ENTRY (entry));
-                cloned_mac = ce_page_trim_address (text);
-        }
+        text = gtk_entry_get_text (GTK_ENTRY (entry));
+        cloned_mac = ce_page_trim_address (text);
 
         g_object_set (page->setting_wired,
                       NM_SETTING_WIRED_MAC_ADDRESS, device_mac,