remove useless test

Author: Alexandru Scvortov

test/src/com/rabbitmq/client/test/functional/DeadLetterExchange.java

@@ -83,17 +83,6 @@ public void testDeclareQueueWithRoutingKeyButNoDeadLetterExchange()
 
     }
 
-    public void testDeadLetterEmpty() throws Exception {
-        declareQueue(TEST_QUEUE_NAME, DLX, null, null);
-        channel.queueBind(TEST_QUEUE_NAME, "amq.direct", "test");
-
-        channel.queuePurge(TEST_QUEUE_NAME);
-        channel.queueDelete(TEST_QUEUE_NAME);
-
-        // Nothing was dead-lettered.
-        consumeN(DLQ, 0, WithResponse.NULL);
-    }
-
     public void testDeadLetterQueueTTLExpiredMessages() throws Exception {
         Map<String, Object> args = new HashMap<String, Object>();
         args.put("x-message-ttl", 1000);