YARN-713. Fixing missing update on branch-2 and branch-2.4.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1570032 13f79535-47bb-0310-9956-ffa450edef68

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

@@ -29,9 +29,6 @@ import org.apache.hadoop.yarn.api.records.ResourceRequest;
 
 public class Allocation {
   
-  private final RecordFactory recordFactory =
-      RecordFactoryProvider.getRecordFactory(null);
-
   final List<Container> containers;
   final Resource resourceLimit;
   final Set<ContainerId> strictContainers;