ci: Stop building glib

Bleeding edge glib was required at some point last cycle, but
right now the last stable release is good enough.

Relying on the packaged version also avoids the need for an
updated gjs, as glib now provides a newer API version of
GIRepository.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3575>

.gitlab-ci.yml

@@ -85,7 +85,7 @@ variables:
     - .skip-git-clone
   variables:
     FDO_DISTRIBUTION_VERSION: 39
-    BASE_TAG: '2024-01-19.0'
+    BASE_TAG: '2024-02-10.0'
     MUTTER_USER: 'meta-user'
     FDO_DISTRIBUTION_PACKAGES:
       asciidoc
@@ -125,10 +125,6 @@ variables:
         https://gitlab.gnome.org/jadahl/catch.git \
         main
 
-      ./.gitlab-ci/install-meson-project.sh \
-        https://gitlab.gnome.org/GNOME/glib.git \
-        main
-
       ./.gitlab-ci/install-meson-project.sh \
         https://gitlab.freedesktop.org/libinput/libei.git \
         1.0.901