[totem/barthalion/gnome-runtime-images-quay] Update (or drop) the Docker image used by Flatpak job

[Bartłomiej Piotrowski <bpiotrowski src gnome org>]

commit 95d088530c8841127faf7b13c441815e86f644e8
Author: Bartłomiej Piotrowski <b bpiotrowski pl>
Date:   Wed Jul 27 12:54:46 2022 +0200

    Update (or drop) the Docker image used by Flatpak job
    
    The gnome-runtime-images have been recently migrated to Quay. This is already reflected in the template.
    
    Please note this MR has been created semi-automatically. If it doesn't make sense, feel free to close it.

 .gitlab-ci.yml | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b79111a91..a3b6c5178 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -61,7 +61,6 @@ build-fedora:
 
 flatpak:master:
     extends: .flatpak
-    image: registry.gitlab.gnome.org/gnome/gnome-runtime-images/gnome:master
     stage: test
     variables:
         # Replace with your manifest path