remove logs redirection

The way logs were handled did not play nice with docker log viewing
utilities.
Logs are no longer redirected from stdout.

start.sh

@@ -33,7 +33,7 @@ fi;
 
 if [ "$MASTER" == "localhost" ] ; then
   # start a local master
-  python /opt/kaldi-gstreamer-server/kaldigstserver/master_server.py --port=$PORT 2>> /opt/master.log &
+  python /opt/kaldi-gstreamer-server/kaldigstserver/master_server.py --port=$PORT &
 fi
 
 export GST_PLUGIN_PATH=/opt/gst-kaldi-nnet2-online/src/:/opt/kaldi/src/gst-plugin/
@@ -42,7 +42,7 @@ NB_WORKERS=${NB_WORKERS:-1}
 for i in $(seq 1 $NB_WORKERS)
 do
     #start worker and connect it to the master
-    python /opt/kaldi-gstreamer-server/kaldigstserver/worker.py -c $YAML -u ws://$MASTER:$PORT/worker/ws/speech 2>> /opt/worker-$i.log &
+    python /opt/kaldi-gstreamer-server/kaldigstserver/worker.py -c $YAML -u ws://$MASTER:$PORT/worker/ws/speech &
 done
 
 sleep infinity