[gnome-software/wip/kalev/f29-ci] CI: Switch to Fedora 29

[Kalev Lember <klember src gnome org>]

commit a4e1d3c7c239e275150b7cda2a8deabbe64d86cb
Author: Kalev Lember <klember redhat com>
Date:   Wed Oct 31 15:00:53 2018 +0100

    CI: Switch to Fedora 29
    
    While at this, also do some small cleanups. F29 has new enough
    libappstream-glib so we don't need do download the custom rpm any more
    and rpm-ostree deps are all automatic now that the Fedora rpm has the
    dep.

 .gitlab-ci.yml | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 82581436..94720459 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,15 +1,12 @@
-image: fedora:28
+image: fedora:29
 
 stages:
   - build
 
 before_script:
   # Update and use base build deps
-  - dnf update -y && dnf -y install git gobject-introspection-devel dnf-plugins-core @buildsys-build
-  - dnf install -y 
https://people.freedesktop.org/~hughsient/temp/libappstream-glib-0.7.14-0.641.20181015git.fc29.x86_64.rpm 
https://people.freedesktop.org/~hughsient/temp/libappstream-glib-devel-0.7.14-0.641.20181015git.fc29.x86_64.rpm
-  - dnf --enablerepo updates-testing -y builddep gnome-software
-  # Some deps may not be sync'd
-  - dnf -y install rpm-ostree-devel
+  - dnf -y update && dnf -y install git gobject-introspection-devel dnf-plugins-core @buildsys-build
+  - dnf -y builddep gnome-software
 
 build-gnome-software:
   stage: build