[gtk-web: 1/2] Shorten vala sample

[Emmanuele Bassi <ebassi src gnome org>]

commit 42b92490b2143d16e8217e6df37998882e9711ff
Author: Ben <iofelben gmail com>
Date:   Sat Feb 22 01:30:54 2020 +0000

    Shorten vala sample

 _data/sample_codes.yml | 2 --
 1 file changed, 2 deletions(-)
---
diff --git a/_data/sample_codes.yml b/_data/sample_codes.yml
index 27e1e75..5e000af 100644
--- a/_data/sample_codes.yml
+++ b/_data/sample_codes.yml
@@ -84,8 +84,6 @@ codes:
     ext: vala
     snippet: |
       ```vala
-      using Gtk;
-      
       int main (string[] argv) {
           // Create a new application
           var app = new Gtk.Application ("com.example.GtkApplication",