[gtk-web/setuid-link] Put back setuid.html

[Emmanuele Bassi <ebassi src gnome org>]

commit 6ca33494beb7c99d7c65db879c46febdc6e31f09
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Mon Nov 9 11:39:46 2020 +0000

    Put back setuid.html
    
    The `www.gtk.org/setuid.html` page is used in warnings and documentation
    provided by GTK itself, starting with GTK2. We cannot move it without
    changing and re-releasing old versions of GTK.

 _pages/setuid.html | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/_pages/setuid.html b/_pages/setuid.html
index b9775f18..57162328 100644
--- a/_pages/setuid.html
+++ b/_pages/setuid.html
@@ -1,5 +1,4 @@
 ---
-permalink: /setuid/
 ---
 
 {% include header.html %}