YARN-6746. SchedulerUtils.checkResourceRequestMatchingNodePartition() is dead code

(Contributed by Deepti Sawhney via Daniel Templeton)

(cherry picked from commit c5a0c38d8e1752031d1dd8bdd4a7a3894cf775cb)

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

@@ -349,25 +349,7 @@ public class SchedulerUtils {
     }
     return null;
   }
-  
-  public static boolean checkResourceRequestMatchingNodePartition(
-      String requestedPartition, String nodePartition,
-      SchedulingMode schedulingMode) {
-    // We will only look at node label = nodeLabelToLookAt according to
-    // schedulingMode and partition of node.
-    String nodePartitionToLookAt = null;
-    if (schedulingMode == SchedulingMode.RESPECT_PARTITION_EXCLUSIVITY) {
-      nodePartitionToLookAt = nodePartition;
-    } else {
-      nodePartitionToLookAt = RMNodeLabelsManager.NO_LABEL;
-    }
 
-    if (null == requestedPartition) {
-      requestedPartition = RMNodeLabelsManager.NO_LABEL;
-    }
-    return requestedPartition.equals(nodePartitionToLookAt);
-  }
-  
   private static boolean hasPendingResourceRequest(ResourceCalculator rc,
       ResourceUsage usage, String partitionToLookAt, Resource cluster) {
     if (Resources.greaterThan(rc, cluster,