clean code

Signed-off-by: Karim TAAM <karim.t2am@gmail.com>

ethereum/ethstats/src/main/java/org/hyperledger/besu/ethstats/EthStatsService.java

@@ -417,7 +417,6 @@ private void startListeningEthstatsServer() {
                             .boxed()
                             .collect(Collectors.toList());
                   }
-                  System.out.println(list);
                   sendHistoryReport(list);
                 }
               }