remove "graylog"

config.js

@@ -13,8 +13,6 @@ var cfg = {
   DATE: '2019-10-25',
   RELAY_PORT: 55555,
   WEBSOCKET_PORT: 9001,
-  GRAYLOG_HOST: 'a73435.berlin.ptb.de',
-  GRAYLOG_PORT: 12202,
   DEFAULT_EXEC_TIMEOUT: 60000, // msec
   DEFAULT_EXEC_MAXBUFFER: 50 * 1024 * 1024,
   MIN_EXEC_WAIT: 50, // msec // ???

logger.js

@@ -55,15 +55,7 @@ var logger = bunyan.createLogger({
       showDate: formateDate,
       out: socketStream
     })
-  },
-  {
-    type: 'raw',
-    level: 'trace',
-    stream: new BunyanToGelfStream({
-      host: cfg.GRAYLOG_HOST, 
-      port: cfg.GRAYLOG_PORT,
-    })
-   }]//, serializers: bunyanDebugStream.serializers
+  }]
 });
 
 module.exports = logger;