fix blank line.

Author: hfutatzhanghb

hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml

@@ -6568,7 +6568,6 @@
       problem. In produce default set false, because it's have little performance loss.
     </description>
   </property>
-
   <property>
     <name>dfs.client.fsck.connect.timeout</name>
     <value>60000ms</value>