Move matrix-appservice-irc into a separate role

roles/matrix-synapse/templates/ext/appservice-irc/systemd/matrix-appservice-irc.service.j2

@@ -1,30 +0,0 @@
-#jinja2: lstrip_blocks: "True"
-[Unit]
-Description=Matrix Appservice IRC server
-After=docker.service
-Requires=docker.service
-Requires=matrix-synapse.service
-After=matrix-synapse.service
-
-[Service]
-Type=simple
-ExecStartPre=-/usr/bin/docker kill matrix-appservice-irc
-ExecStartPre=-/usr/bin/docker rm matrix-appservice-irc
-ExecStart=/usr/bin/docker run --rm --name matrix-appservice-irc \
-			--log-driver=none \
-			--user={{ matrix_user_uid }}:{{ matrix_user_gid }} \
-			--cap-drop=ALL \
-			--network={{ matrix_docker_network }} \
-			{% if matrix_appservice_irc_container_expose_client_server_api_port %}
-			-p 127.0.0.1:9999:9999 \
-			{% endif %}
-			-v {{ matrix_appservice_irc_base_path }}:/data:z \
-			{{ matrix_appservice_irc_docker_image }} \
-			-c /data/config.yaml -f /data/registration.yaml -p 9999
-ExecStop=-/usr/bin/docker kill matrix-appservice-irc
-ExecStop=-/usr/bin/docker rm matrix-appservice-irc
-Restart=always
-RestartSec=30
-
-[Install]
-WantedBy=multi-user.target