jvb: fix MUC communication with newer JVB

docker-compose.yml

@@ -132,7 +132,6 @@ services:
             - JVB_TCP_PORT
             - JVB_STUN_SERVERS
             - JVB_ENABLE_APIS
-            - JICOFO_AUTH_USER
             - TZ
         depends_on:
             - prosody

jvb/rootfs/defaults/sip-communicator.properties

@@ -1,4 +1,3 @@
-org.jitsi.videobridge.AUTHORIZED_SOURCE_REGEXP={{ .Env.JICOFO_AUTH_USER }}@{{ .Env.XMPP_AUTH_DOMAIN }}/.*
 org.jitsi.videobridge.SINGLE_PORT_HARVESTER_PORT={{ .Env.JVB_PORT }}
 org.jitsi.videobridge.DISABLE_TCP_HARVESTER={{ .Env.JVB_TCP_HARVESTER_DISABLED }}
 org.jitsi.videobridge.TCP_HARVESTER_PORT={{ .Env.JVB_TCP_PORT }}