[gtk-web/issue-88: 4/5] vala: Update links

[Emmanuele Bassi <ebassi src gnome org>]

commit a07c881a59fe3f99946925056056f6859311227c
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Sun Dec 5 13:45:09 2021 +0000

    vala: Update links
    
    Use developer-old.gnome.org until we find a new home for the Vala
    documentation.

 _docs/language-bindings/vala.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/_docs/language-bindings/vala.md b/_docs/language-bindings/vala.md
index 7679745..23dbe45 100644
--- a/_docs/language-bindings/vala.md
+++ b/_docs/language-bindings/vala.md
@@ -18,7 +18,7 @@ You can see many Vala and GTK based projects[GNOME Wiki](https://wiki.gnome.org/
 
 ## Tutorials
 
-[**Vala**](https://wiki.gnome.org/Projects/Vala/) website lists various [Vala's GTK 
tutorial](https://wiki.gnome.org/Projects/Vala/Documentation#GUI_Programming) [GTK's Vala 
tutorial](https://developer.gnome.org/gnome-devel-demos/stable/beginner.vala.html.en) that range from 
introduction to the usage of Gtk and much more.
+[**Vala**](https://wiki.gnome.org/Projects/Vala/) website lists various [Vala's GTK 
tutorial](https://wiki.gnome.org/Projects/Vala/Documentation#GUI_Programming) [GTK's Vala 
tutorial](https://developer-old.gnome.org/gnome-devel-demos/stable/beginner.vala.html.en) that range from 
introduction to the usage of Gtk and much more.
 
 ## A Hello World app
 Below is an `Hello World` program that can be used as an example to get started with GTK Vala binding.
@@ -66,4 +66,4 @@ If you want to get in touch with the original source files, you can visit the pr
 * Docs: [https://valadoc.org/](https://valadoc.org/)
 * Tutorial:
   - [Vala's GTK tutorial](https://wiki.gnome.org/Projects/Vala/Documentation#GUI_Programming)
-  - [GTK's Vala tutorial](https://developer.gnome.org/gnome-devel-demos/stable/beginner.vala.html.en)
+  - [GTK's Vala tutorial](https://developer-old.gnome.org/gnome-devel-demos/stable/beginner.vala.html.en)