Revert "Remove end of line comment and add override annotation when rewrite method (alibaba#1420)" (alibaba#1423)

This reverts commit 83de262.

Author: vongosling

client/src/main/java/org/apache/rocketmq/client/trace/AsyncTraceDispatcher.java

@@ -87,12 +87,12 @@ public AsyncTraceDispatcher(String traceTopicName, RPCHook rpcHook) {
         } else {
             this.traceTopicName = MixAll.RMQ_SYS_TRACE_TOPIC;
         }
-        this.traceExecutor = new ThreadPoolExecutor(
-            10,
-            20,
-            1000 * 60,
-            TimeUnit.MILLISECONDS,
-            this.appenderQueue,
+        this.traceExecutor = new ThreadPoolExecutor(//
+            10, //
+            20, //
+            1000 * 60, //
+            TimeUnit.MILLISECONDS, //
+            this.appenderQueue, //
             new ThreadFactoryImpl("MQTraceSendThread_"));
         traceProducer = getAndCreateTraceProducer(rpcHook);
     }
@@ -133,7 +133,6 @@ public void setHostConsumer(DefaultMQPushConsumerImpl hostConsumer) {
         this.hostConsumer = hostConsumer;
     }
 
-    @Override
     public void start(String nameSrvAddr, AccessChannel accessChannel) throws MQClientException {
         if (isStarted.compareAndSet(false, true)) {
             traceProducer.setNamesrvAddr(nameSrvAddr);