CI: disable docs on the arch build

Apparently python-recommonmark has moved to the AUR and it's not worth
the extra effort of figuring out how to install it.

Part-of: <https://gitlab.freedesktop.org/libinput/libinput/-/merge_requests/1176>

.gitlab-ci.yml

@@ -86,7 +86,7 @@ variables:
   FEDORA_PACKAGES:  'git-core gcc gcc-c++ pkgconf-pkg-config meson check-devel libudev-devel libevdev-devel doxygen graphviz python3-sphinx python3-recommonmark python3-sphinx_rtd_theme python3-pytest-xdist libwacom-devel cairo-devel gtk4-devel glib2-devel mtdev-devel diffutils wayland-protocols-devel black clang-analyzer jq rpmdevtools valgrind systemd-udev qemu-img qemu-system-x86-core qemu-system-aarch64-core jq python3-click python3-rich'
   DEBIAN_PACKAGES:  'git gcc g++ pkg-config meson check libudev-dev libevdev-dev doxygen graphviz python3-sphinx python3-recommonmark python3-sphinx-rtd-theme python3-pytest-xdist libwacom-dev libcairo2-dev libgtk-3-dev libglib2.0-dev libmtdev-dev curl'
   UBUNTU_PACKAGES:  'git gcc g++ pkg-config meson check libudev-dev libevdev-dev doxygen graphviz python3-sphinx python3-recommonmark python3-sphinx-rtd-theme python3-pytest-xdist libwacom-dev libcairo2-dev libgtk-3-dev libglib2.0-dev libmtdev-dev'
-  ARCH_PACKAGES:    'git gcc pkgconfig meson check libsystemd libevdev doxygen graphviz python-sphinx python-recommonmark python-sphinx_rtd_theme python-pytest-xdist libwacom gtk4 mtdev diffutils wayland-protocols'
+  ARCH_PACKAGES:    'git gcc pkgconfig meson check libsystemd libevdev python-pytest-xdist libwacom gtk4 mtdev diffutils'
   ALPINE_PACKAGES:  'git gcc build-base pkgconfig meson check-dev eudev-dev libevdev-dev libwacom-dev cairo-dev gtk4.0-dev mtdev-dev bash'
   FREEBSD_PACKAGES: 'git pkgconf meson libepoll-shim libudev-devd libevdev libwacom gtk3 libmtdev bash wayland'
   ############################ end of package lists #############################
@@ -1153,6 +1153,7 @@ arch:rolling@default-build:
   variables:
     FDO_DISTRIBUTION_VERSION: 'rolling'
     FDO_DISTRIBUTION_TAG: $ARCH_TAG
+    MESON_ARGS: '-Ddocumentation=false'
   needs:
     - "arch:rolling@container-prep"
 

.gitlab-ci/config.yml

@@ -109,17 +109,14 @@ distributions:
       - check
       - libsystemd
       - libevdev
-      - doxygen
-      - graphviz
-      - python-sphinx
-      - python-recommonmark
-      - python-sphinx_rtd_theme
       - python-pytest-xdist
       - libwacom
       - gtk4
       - mtdev
       - diffutils
-      - wayland-protocols
+    build:
+      extra_variables:
+        - "MESON_ARGS: '-Ddocumentation=false'" # python-recommonmark is no longer in the repos
   - name: alpine
     tag: *default_tag
     versions: