YARN-10332. RESOURCE_UPDATE event was repeatedly registered in DECOMMISSIONING state. Contributed by yehuanhuan

(cherry picked from commit 34fe74da0e9c68173e1de196c496b9cfca029618)

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmnode/RMNodeImpl.java

@@ -306,9 +306,6 @@ public class RMNodeImpl implements RMNode, EventHandler<RMNodeEvent> {
       .addTransition(NodeState.DECOMMISSIONING, EnumSet.of(
           NodeState.DECOMMISSIONING, NodeState.DECOMMISSIONED),
           RMNodeEventType.RECONNECTED, new ReconnectNodeTransition())
-      .addTransition(NodeState.DECOMMISSIONING, NodeState.DECOMMISSIONING,
-          RMNodeEventType.RESOURCE_UPDATE,
-          new UpdateNodeResourceWhenRunningTransition())
 
       //Transitions from LOST state
       .addTransition(NodeState.LOST, NodeState.LOST,