packaging: remove openSUSE Leap 15.4 (EOL)

Change-Id: I7d4dac8a9a8463e402b4eaff501bbab4fb368661

extras/packaging/gnu-linux/Makefile

@@ -174,7 +174,6 @@ DISTRIBUTIONS := \
 	fedora_40 \
 	fedora_41 \
 	alma_9 \
-	opensuse-leap_15.4 \
 	opensuse-leap_15.5 \
 	opensuse-leap_15.6 \
 	snap

extras/packaging/gnu-linux/docker/Dockerfile_opensuse-leap_15.4

@@ -1,122 +0,0 @@
-FROM opensuse/leap:15.4
-
-RUN zypper refresh
-
-RUN zypper --non-interactive install -y \
-        dnf \
-        dnf-command\(builddep\) \
-        rpmdevtools \
-        Mesa-dri-devel Mesa-dri \
-        git \
-        gcc10 \
-        gcc10-c++ \
-        rpm-build \
-        tar \
-        make \
-        autoconf \
-        automake \
-        nasm \
-        speexdsp-devel \
-        libpulse-devel \
-        libcanberra-devel \
-        libcurl-devel \
-        libtool \
-        pcre-devel \
-        yaml-cpp-devel \
-        libXext-devel \
-        libXfixes-devel \
-        yasm \
-        speex-devel \
-        libgsm-devel \
-        chrpath \
-        check \
-        astyle \
-        gettext-devel \
-        which \
-        alsa-lib-devel \
-        systemd-devel \
-        libuuid-devel \
-        uuid-devel \
-        libopus-devel \
-        patch \
-        jsoncpp-devel \
-        webkit2gtk3-devel \
-        libcryptopp-devel \
-        libva-devel \
-        libvdpau-devel \
-        msgpack-devel \
-        clutter-devel \
-        openssl-devel \
-        clutter-gtk-devel \
-        libnma-devel \
-        libcryptopp-devel \
-        libexpat-devel \
-        gnome-icon-theme-symbolic \
-        libgsm-devel \
-        gtk3-devel \
-        libappindicator-devel \
-        sqlite-devel \
-        ffmpeg-4-libavutil-devel \
-        gtk3-devel\
-        qrencode-devel \
-        python310 \
-        python3-python-dateutil \
-        python3-html5lib \
-        libsndfile-devel \
-        libdrm \
-        gperf \
-        bison \
-        flex \
-        ffmpeg ffmpeg-devel \
-        nodejs18 \
-        mozilla-nss-devel \
-        python-xml \
-        python3-six \
-        python3-importlib-metadata \
-        libxcb* \
-        libxkb* \
-        libX11-devel \
-        libXrender-devel \
-        libfreetype6 \
-        xcb-util-image-devel \
-        xcb-util-keysyms-devel \
-        xcb-util-renderutil-devel \
-        xcb-util-wm-devel \
-        xorg-x11-devel \
-        xz \
-        xkeyboard-config \
-        libnotify \
-        argon2-devel \
-        libxshmfence-devel \
-        xproto-devel \
-        xcb-proto-devel \
-        xcb-* \
-        xorg-* \
-        vulkan-devel \
-        ninja \
-        gstreamer-devel \
-        gstreamer-plugins-good \
-        gstreamer-plugins-bad-devel \
-        gstreamer-plugins-base-devel \
-        cmake \
-        wget \
-        pipewire-devel
-
-# openSUSE Leap 15.4 comes with Python 3.6 by default,
-# but we need at least 3.7 to compile Qt 6.6.1
-RUN rm /usr/bin/python3 && ln -s /usr/bin/python3.10 /usr/bin/python3
-
-RUN update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-10 50
-RUN update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-10 50
-
-ADD extras/packaging/gnu-linux/scripts/build-package-rpm.sh /opt/build-package-rpm.sh
-
-ENV CC=gcc
-ENV CXX=g++
-
-# Setting this variable so that FFmpeg gets built without pipewiregrab
-# (see daemon/contrib/bootstrap and daemon/contrib/src/ffmpeg/rules.mak)
-# We rely on PipeWire for screen sharing on Wayland, but the version available on openSUSE Leap 15.4 is too old.
-ENV DISABLE_PIPEWIRE=true
-
-CMD ["/opt/build-package-rpm.sh"]