Remove explicit use of method reference

Change-Id: Idb08d28d66b4285a738b2bf98e1c61882d179da1

@@ -128,7 +128,7 @@ public class AtomixWorkQueue extends AbstractResource<AtomixWorkQueue>
                                             executor,
                                             executor,
                                             completedTaskAccumulator));
                                             completedTaskAccumulator));
         return register().thenCompose(v -> take(parallelism))
         return register().thenCompose(v -> take(parallelism))
-                         .thenAccept(taskProcessor.get()::accept);
+                         .thenAccept(taskProcessor.get());
     }
     }
 
 
     @Override
     @Override