Revert "FS-CS converter: nestedUserQueue with default rule results in invalid queue mapping. Contributed by Gergely Pollak"

This reverts commit 9ce913a7bf720944d0305960bbf1899461b8628b.
Reverting because of missing Jira-ID in the commit message

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java

@@ -989,14 +989,12 @@ public class CapacityScheduler extends
           // not auto-created above, then its parent queue should match
           // the parent queue specified in queue mapping
         } else if (!queue.getParent().getQueueShortName().equals(
-                placementContext.getParentQueue())
-            && !queue.getParent().getQueuePath().equals(
-                placementContext.getParentQueue())) {
+            placementContext.getParentQueue())) {
           String message =
               "Auto created Leaf queue " + placementContext.getQueue() + " "
                   + "already exists under queue : " + queue
                   .getParent().getQueueShortName()
-                  + ". But Queue mapping configuration " +
+                  + ".But Queue mapping configuration " +
                    CapacitySchedulerConfiguration.QUEUE_MAPPING + " has been "
                   + "updated to a different parent queue : "
                   + placementContext.getParentQueue()

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestCapacitySchedulerAutoQueueCreation.java

@@ -162,35 +162,6 @@ public class TestCapacitySchedulerAutoQueueCreation
     }
   }
 
-  @Test(timeout = 20000)
-  public void testAutoCreateLeafQueueCreationUsingFullParentPath()
-      throws Exception {
-
-    try {
-      setupGroupQueueMappings("root.d", cs.getConfiguration(), "%user");
-      cs.reinitialize(cs.getConfiguration(), mockRM.getRMContext());
-
-      submitApp(mockRM, cs.getQueue("d"), TEST_GROUPUSER, TEST_GROUPUSER, 1, 1);
-      AutoCreatedLeafQueue autoCreatedLeafQueue =
-          (AutoCreatedLeafQueue) cs.getQueue(TEST_GROUPUSER);
-      ManagedParentQueue parentQueue = (ManagedParentQueue) cs.getQueue("d");
-      assertEquals(parentQueue, autoCreatedLeafQueue.getParent());
-
-      Map<String, Float> expectedChildQueueAbsCapacity =
-          new HashMap<String, Float>() {{
-            put(NO_LABEL, 0.02f);
-          }};
-
-      validateInitialQueueEntitlement(parentQueue, TEST_GROUPUSER,
-          expectedChildQueueAbsCapacity,
-          new HashSet<String>() {{ add(NO_LABEL); }});
-
-    } finally {
-      cleanupQueue(USER0);
-      cleanupQueue(TEST_GROUPUSER);
-    }
-  }
-
   @Test
   public void testReinitializeStoppedAutoCreatedLeafQueue() throws Exception {
     try {