delete unused org.apache.hadoop.hdfs.server.namenode.ha.AbstractNNFailoverProxyProvider;

Author: KeeProMise

hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/java/org/apache/hadoop/hdfs/server/federation/MiniRouterDFSCluster.java

@@ -90,7 +90,6 @@
 import org.apache.hadoop.hdfs.server.federation.router.RouterRpcServer;
 import org.apache.hadoop.hdfs.server.namenode.FSImage;
 import org.apache.hadoop.hdfs.server.namenode.NameNode;
-import org.apache.hadoop.hdfs.server.namenode.ha.AbstractNNFailoverProxyProvider;
 import org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider;
 import org.apache.hadoop.hdfs.server.namenode.ha.ObserverReadProxyProvider;
 import org.apache.hadoop.hdfs.server.protocol.NamespaceInfo;