ci: disable flatpak build

Reenable the build after the build failures from #291 have been sorted out.

.gitlab-ci.yml

@@ -72,46 +72,3 @@ check-po:
     # in this case
     - cd po/
     - intltool-update -m 2>&1 | grep -qs '/.*\.c' && { intltool-update -m; exit 1; } || exit 0
-
-# For some reason including https://gitlab.gnome.org/GNOME/citemplates/raw/master/flatpak/flatpak_ci_initiative.yml fails, therefore it's copied here
-.flatpak:
-  image: 'registry.gitlab.gnome.org/gnome/gnome-runtime-images/gnome:master'
-  stage: 'package'
-  interruptible: true
-  tags:
-    - flatpak
-  script:
-    - rewrite-flatpak-manifest ${MANIFEST_PATH} ${FLATPAK_MODULE} ${CONFIG_OPTS}
-    - flatpak-builder --user --disable-rofiles-fuse flatpak_app --repo=repo ${BRANCH:+--default-branch=$BRANCH} ${MANIFEST_PATH}
-    # Generate a Flatpak bundle
-    - flatpak build-bundle repo ${BUNDLE} --runtime-repo=${RUNTIME_REPO} ${APP_ID} ${BRANCH}
-    - tar cf repo.tar repo/
-
-  artifacts:
-    name: 'Flatpak artifacts'
-    expose_as: 'Get Flatpak bundle here'
-    when: 'always'
-    paths:
-      - "${BUNDLE}"
-      - 'repo.tar'
-      - '.flatpak-builder/build/${FLATPAK_MODULE}/_flatpak_build/meson-logs/meson-log.txt'
-      - '.flatpak-builder/build/${FLATPAK_MODULE}/_flatpak_build/meson-logs/testlog.txt'
-    expire_in: 14 days
-  cache:
-    key: "$CI_JOB_NAME"
-    paths:
-      - '.flatpak-builder/downloads'
-      - '.flatpak-builder/git'
-
-flatpak:master:
-  extends: .flatpak
-  stage: package
-  variables:
-    MANIFEST_PATH: "sm.puri.Calls.json"
-    RUNTIME_REPO: "https://nightly.gnome.org/gnome-nightly.flatpakrepo"
-    FLATPAK_MODULE: "calls"
-    # Make sure to keep this in sync with the Flatpak manifest, all arguments
-    # are passed except the config-args because we build it ourselves
-    MESON_ARGS: ""
-    APP_ID: "sm.puri.Calls"
-    BUNDLE: 'calls.flatpak'