Use configuration on pages branch

The GitLab CI logic has been moved to the pages branch, remove the
logic from this branch and use the version on the pages branch.

Signed-off-by: Martyn Welch <martyn.welch@collabora.com>

.gitlab-ci.yml

 image: registry.gitlab.apertis.org/infrastructure/apertis-docker-images/v2021dev3-testcases-builder
 
 include:
+  - project: tests/apertis-test-cases
+    ref: pages
+    file: .gitlab-ci/templates-render-pages.yml
   - /.gitlab-ci/templates-submit-tests.yml
 
 test-renderer:
@@ -9,24 +12,7 @@ test-renderer:
     - python3 -m unittest discover -v
 
 pages:
-  stage: deploy
-  script:
-    - mkdir public
-    - cp static/* public/
-    - "BRANCHES=$(git for-each-ref --format='%(refname)' refs/remotes/origin/apertis/ | sort)"
-    - for BRANCH in $BRANCHES; do
-    -   echo "Checking out $BRANCH"
-    -   git checkout $BRANCH
-    -   BRANCH=${BRANCH##refs/remotes/origin/apertis/}
-    -   ./atc -d public/$BRANCH/ --index-page test-cases/
-    - done
-    - ./atc_menu -o ./public/ public/
-    - ln -s $BRANCH public/latest
-  artifacts:
-    paths:
-      - public
-  only:
-    - /^apertis/.*$/
+  extends: .render-pages
 
 .minimal:
   variables:
@@ -153,4 +139,3 @@ submit-tests-ostree-amd64-target-uefi:
     - .submit-tests-ostree
     - .amd64-uefi
     - .target
-