[gtksourceview] gitlab-ci: disable various GTK build features

[Christian Hergert <chergert src gnome org>]

commit f6d1997003da0c54959f79d6b77ac468e0befaba
Author: Christian Hergert <chergert redhat com>
Date:   Wed Feb 2 15:25:21 2022 -0800

    gitlab-ci: disable various GTK build features
    
    We don't need these when building, and they just explode our dependency
    graph on the machine that is basically just building documentation.

 .gitlab-ci.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 518d3caf..cc9c57da 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -25,9 +25,9 @@ reference:
     stage: docs
     needs: []
     variables:
-        MESON_FLAGS: "-Dwerror=true --buildtype=release"
+        MESON_FLAGS: "-Dwerror=true --buildtype=release -Dgtk:media-gstreamer=disabled 
-Dgtk:broadway-backend=false -Dgtk:demos=false -Dgtk:build-examples=false -Dgtk:build-tests=false"
     script:
-        - sudo dnf -y install git libpng-devel libjpeg-turbo-devel expat-devel 
gstreamer1-plugins-bad-free-devel
+        - sudo dnf -y install git libpng-devel libjpeg-turbo-devel expat-devel
         - mkdir -p pfx/
         - meson ${MESON_FLAGS} --prefix=${PWD}/pfx -Dgtk_doc=true _build
         - ninja -C _build install