Move coturn out of docker

It entirely broke the docker daemon for me today.

copy_coturn_certs.sh

@@ -1,7 +0,0 @@
-#!/bin/sh -x
-DOMAIN=turn.boba.best
-
-mkdir -p data/coturn/certs
-sudo cp /var/lib/caddy/.local/share/caddy/certificates/acme-v02.api.letsencrypt.org-directory/$DOMAIN/$DOMAIN.crt data/coturn/certs/
-sudo cp /var/lib/caddy/.local/share/caddy/certificates/acme-v02.api.letsencrypt.org-directory/$DOMAIN/$DOMAIN.key data/coturn/certs/
-sudo chown -R nobody:nogroup data/coturn/certs

docker-compose.yml

@@ -186,31 +186,6 @@ services:
     labels:
       synapse-autoheal: "true"
 
-
-  coturn:
-    image: coturn/coturn:latest
-    restart: always
-    network_mode: "host"
-    command:
-      - "-n"
-      - "--use-auth-secret"
-      - "--static-auth-secret=$COTURN_AUTH_SECRET"
-      - "--realm=turn.boba.best"
-      - "--no-tcp-relay"
-      - "-q=16"
-      #- "--relay-ip=$$(detect-external-ip --ipv4)"
-      #- "--relay-ip=$$(detect-external-ip --ipv6)"
-      - "--cert=/certs/turn.boba.best.crt"
-      - "--pkey=/certs/turn.boba.best.key"
-    volumes:
-      - ./data/coturn/certs:/certs:ro
-    tmpfs:
-      - /var/lib/coturn
-    #ports:
-    #  - 3478:3478
-    #  - 5349:5349
-    #  - 49152-65535:49152-65535/udp
-
   prometheus:
     image: prom/prometheus:latest
     restart: always