Remove unused supervisor config

docker/compose/mozdef_sampledata/files/supervisor.conf

@@ -1,9 +0,0 @@
-[supervisord]
-nodaemon=true
-autostart=true
-autorestart=true
-#real time constant stream of demo events/alerts/attackers
-[program:realTimeEvents]
-priority=10
-command=bash -c 'sleep 90 && source /opt/mozdef/envs/python/bin/activate && /opt/mozdef/envs/mozdef/examples/demo/sampleevents.sh'
-directory=/opt/mozdef/envs/mozdef/examples/demo/