[polari/wip/ozinger: 12/18] Revert "Update .gitlab-ci.yml"

[Florian Müllner <fmuellner src gnome org>]

commit aa625af6769ac54fe9649354f36750778f17552f
Author: DaeHyun Sung <sungdh86 gmail com>
Date:   Fri Mar 9 06:01:04 2018 +0000

    Revert "Update .gitlab-ci.yml"
    
    This reverts commit 144090449b9c0749e0740ba4f2398e38e6ee8e2c

 .gitlab-ci.yml | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 57cffb3..8b73404 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -4,7 +4,6 @@ stages:
  - build
 
 before_script:
-  - dnf clean packages
   - dnf install -y gcc meson redhat-rpm-config gettext itstool gtk3-devel
                    gjs-devel gobject-introspection-devel telepathy-glib-devel
                    libappstream-glib desktop-file-utils