Spotbugs fix

Author: anmolnar

hbase-server/src/main/java/org/apache/hadoop/hbase/security/access/AbstractReadOnlyController.java

@@ -73,8 +73,8 @@ public static void manageActiveClusterIdFile(boolean readOnlyEnabled, MasterFile
             LOG.debug(
               "Active cluster file data does not match expected data. "
                 + "Not deleting the file to avoid potential inconsistency. "
-                + "Actual data: {}, Expected data: {}",
-              new String(actualClusterFileData), new String(expectedClusterFileData));
+                + "Actual data: {}, Expected data: {}", actualClusterFileData,
+              expectedClusterFileData);
           }
         } catch (FileNotFoundException e) {
           LOG.debug("Active cluster file does not exist at: {}. No need to delete.",