[libadwaita/pages] ci: Drop the docker image

[Alexander Mikhaylenko <alexm src gnome org>]

commit 45c2f1c905c6be9e9e2a14a0be613e0a90a36369
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Mon Aug 1 17:54:54 2022 +0400

    ci: Drop the docker image

 .gitlab-ci.yml | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 24e797ac..ef30452a 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,5 +1,4 @@
 pages:
-  image: registry.gitlab.gnome.org/gnome/gnome-runtime-images/gnome:master
   script:
     - mkdir public
     - mv index.html public/