[nautilus] CI: Install meson from Fedora

[Carlos Soriano <csoriano src gnome org>]

commit 2fff34b21ceb33c9f3811fce550221cd220b0702
Author: Carlos Soriano <csoriano1618 gmail com>
Date:   Fri Jan 5 12:12:30 2018 +0000

    CI: Install meson from Fedora
    
    Using a newer enough system there is no need to install from pip, that
    seems was giving some issues.

 .gitlab-ci.yml | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 4ef62da11..adc5c12ff 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -4,12 +4,11 @@ stages:
  - build
 
 before_script:
-  - dnf install -y gcc gettext itstool redhat-rpm-config git
+  - dnf install -y gcc meson gettext itstool redhat-rpm-config git
                    gtk3-devel gnome-autoar-devel gnome-desktop3-devel
                    gobject-introspection-devel libselinux-devel
                    libxml2-devel tracker-devel desktop-file-utils
                    libgexiv2-devel
-  - pip3 install meson --user
 
 build-nautilus:
   stage: build