YARN-11122: Fix CodeStyle.

Author: slfan1989

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/main/java/org/apache/hadoop/yarn/server/router/clientrm/RouterYarnClientUtils.java

@@ -207,10 +207,8 @@ private static boolean mergeUamToReport(String appName,
    * @return the merged GetClusterNodesResponse.
    */
   public static GetClusterNodesResponse mergeClusterNodesResponse(
-          Collection<GetClusterNodesResponse> responses) {
-
+      Collection<GetClusterNodesResponse> responses) {
     GetClusterNodesResponse clusterNodesResponse = Records.newRecord(GetClusterNodesResponse.class);
-
     List<NodeReport> nodeReports = new ArrayList<>();
 
     for (GetClusterNodesResponse response : responses) {