Don't source stacktach_config.sh since we're no longer using that

worker/stacktach.sh

@@ -5,11 +5,12 @@ DAEMON=/usr/bin/python
 ARGS=$WORKDIR/worker/start_workers.py
 PIDFILE=/var/run/stacktach.pid
 
+export DJANGO_SETTINGS_MODULE="settings"
+
 case "$1" in
   start)
     echo "Starting server"
     cd $WORKDIR
-    source etc/stacktach_config.sh
     /sbin/start-stop-daemon --start --pidfile $PIDFILE --make-pidfile -b --exec $DAEMON $ARGS
     ;;
   stop)