MAINT: Delete docker-compose.yml

All Docker-related things are now contained in
https://github.com/mumble-voip/mumble-docker

scripts/docker-compose.yml

@@ -1,17 +0,0 @@
-# Copyright 2021-2022 The Mumble Developers. All rights reserved.
-# Use of this source code is governed by a BSD-style license
-# that can be found in the LICENSE file at the root of the
-# Mumble source tree or at <https://www.mumble.info/LICENSE>.
-
-version: '3'
-services:
-  mumble-server:
-    build: github.com/mumble-voip/mumble#master
-    container_name: mumble-server
-    ports:
-        - 64738:64738/tcp
-        - 64738:64738/udp
-    volumes:
-      - ./murmur.ini:/etc/murmur/murmur.ini
-      - ./data:/var/lib/murmur/
-    restart: unless-stopped