remove old comments

Author: stoty

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/Daemon.java

@@ -41,7 +41,6 @@ public class Daemon extends Thread {
 
   Subject startSubject;
 
-//To be replaced with this in the next JDK24 patch:
  @Override
  public final void start() {
    startSubject = SubjectUtil.current();

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/concurrent/HadoopThread.java

@@ -69,16 +69,6 @@ public HadoopThread(ThreadGroup group, Runnable target, String name) {
     this.hadoopTarget = target;
   }
 
-//  @Override
-//  public final void start() {
-//    // This is temporary, to be replaced with JVM version dependent
-//    // Subject.current() shim
-//    AccessControlContext context = AccessController.getContext();
-//    startSubject = Subject.getSubject(context);
-//    super.start();
-//  }
-
-// To be replaced with this in the next JDK24 patch:
   @Override
   public final void start() {
     startSubject = SubjectUtil.current();
@@ -96,35 +86,6 @@ public void work() {
     throw new IllegalArgumentException("No Runnable was specified and work() is not overriden");
   }
 
-//  @Override
-//  public final void run() {
-//    try {
-//      // This is temporary, to be replaced with JVM version dependent shim code
-//      Subject.doAs(startSubject, new PrivilegedExceptionAction<Void>() {
-//
-//        @Override
-//        public Void run() throws Exception {
-//          if (hadoopTarget != null) {
-//            hadoopTarget.run();
-//          } else {
-//            work();
-//          }
-//          return null;
-//        }
-//
-//      });
-//    } catch (PrivilegedActionException ce) {
-//      Exception t = ce.getException();
-//      if (t instanceof RuntimeException) {
-//        throw (RuntimeException) t;
-//      } else {
-//        throw new RuntimeException("Unexpected exception", t);
-//      }
-//    }
-//  }
-
-  // To replaced with this in the next patch:
-  
   @Override
   public final void run() {
       SubjectUtil.doAs(startSubject, new PrivilegedAction<Void>() {