[polari] ci: Get flatpak image from template

[Florian Müllner <fmuellner src gnome org>]

commit f817ffdb8cd2eb27516524210c7cb3f7bfda0082
Author: Florian Müllner <fmuellner gnome org>
Date:   Wed Sep 18 22:50:56 2019 +0200

    ci: Get flatpak image from template
    
    https://gitlab.gnome.org/GNOME/polari/merge_requests/135

 .gitlab-ci.yml | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1e40047..8c1ecfb 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -36,7 +36,6 @@ eslint:
         when: on_failure
 
 flatpak:
-    image: registry.gitlab.gnome.org/gnome/gnome-runtime-images/gnome:master
     stage: build
     variables:
         # Your manifest path