Remove matrix_docker_network references from matrix-bridge-mx-puppet-twitter

roles/custom/matrix-bridge-mx-puppet-twitter/templates/systemd/matrix-mx-puppet-twitter.service.j2

@@ -20,7 +20,7 @@ ExecStart={{ devture_systemd_docker_base_host_command_docker }} run --rm --name
 			--log-driver=none \
 			--user={{ matrix_user_uid }}:{{ matrix_user_gid }} \
 			--cap-drop=ALL \
-			--network={{ matrix_docker_network }} \
+			--network={{ matrix_mx_puppet_twitter_container_network }} \
 			{% if matrix_mx_puppet_twitter_container_http_host_bind_port %}
 			-p {{ matrix_mx_puppet_twitter_container_http_host_bind_port }}:{{ matrix_mx_puppet_twitter_appservice_port }} \
 			{% endif %}