Remove unnecessary call to set running state as it is already handled in finally block.

Author: mikeb01

src/main/java/com/lmax/disruptor/BatchEventProcessor.java

@@ -129,7 +129,6 @@ public void run()
         {
             if (running.get() == HALTED)
             {
-                running.set(IDLE);
                 return;
             }