Remove bogus constructor. See #173

handler/src/main/java/io/netty/handler/execution/OrderedDownstreamThreadPoolExecutor.java

@@ -70,24 +70,6 @@ public final class OrderedDownstreamThreadPoolExecutor extends OrderedMemoryAwar
                 keepAliveTime, unit, threadFactory);
     }
 
-    /**
-     * Creates a new instance.
-     *
-     * @param corePoolSize          the maximum number of active threads
-     * @param keepAliveTime         the amount of time for an inactive thread to shut itself down
-     * @param unit                  the {@link TimeUnit} of {@code keepAliveTime}
-     * @param threadFactory         the {@link ThreadFactory} of this pool
-     * @param objectSizeEstimator   the {@link ObjectSizeEstimator} of this pool
-     */
-    public OrderedDownstreamThreadPoolExecutor(
-            int corePoolSize,
-            long keepAliveTime, TimeUnit unit,
-            ObjectSizeEstimator objectSizeEstimator, ThreadFactory threadFactory) {
-        super(corePoolSize, 0L, 0L,
-                keepAliveTime, unit, objectSizeEstimator, threadFactory);
-    }
-
-    
     /**
      * Return <code>null</code>
      */