remove duplicate comment

Signed-off-by: Tihomir Surdilovic <tihomir@temporal.io>

Author: tsurdilo

core/src/main/java/io/temporal/samples/packetdelivery/Starter.java

@@ -37,7 +37,6 @@ public static void main(String[] args) {
     // more
     while (true) {
       sleep(3);
-      // for "fun", reverse the list we get from delivery confirmation list
       List<Packet> packets = workflow.deliveryConfirmationPackets();
       if (packets.isEmpty()) {
         break;