No need for direct disposable

Author: akarnokd

src/main/java/io/reactivex/internal/schedulers/ExecutorScheduler.java

@@ -78,7 +78,7 @@ public Disposable scheduleDirect(Runnable run, final long delay, final TimeUnit
         Disposable delayed = HELPER.scheduleDirect(new Runnable() {
             @Override
             public void run() {
-                dr.direct.replace(scheduleDirect(dr));
+                executor.execute(dr);
             }
         }, delay, unit);
 
@@ -278,12 +278,9 @@ static final class DelayedRunnable extends AtomicReference<Runnable> implements
 
         final SequentialDisposable timed;
 
-        final SequentialDisposable direct;
-
         DelayedRunnable(Runnable run) {
             super(run);
             this.timed = new SequentialDisposable();
-            this.direct = new SequentialDisposable();
         }
 
         @Override
@@ -295,7 +292,6 @@ public void run() {
                 } finally {
                     lazySet(null);
                     timed.lazySet(DisposableHelper.DISPOSED);
-                    direct.lazySet(DisposableHelper.DISPOSED);
                 }
             }
         }
@@ -309,7 +305,6 @@ public boolean isDisposed() {
         public void dispose() {
             if (getAndSet(null) != null) {
                 timed.dispose();
-                timed.dispose();
             }
         }
     }