remove monitoring dead locks

Author: kimchy

modules/elasticsearch/src/main/java/org/elasticsearch/monitor/jvm/JvmMonitorService.java

@@ -93,7 +93,7 @@ public JvmMonitor() {
         }
 
         @Override public void run() {
-            monitorDeadlock();
+//            monitorDeadlock();
             monitorLongGc();
         }