Fix hadoop-common CHANGES.txt

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1619553 13f79535-47bb-0310-9956-ffa450edef68

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -185,8 +185,6 @@ Release 2.6.0 - UNRELEASED
     HADOOP-10507. FsShell setfacl can throw ArrayIndexOutOfBoundsException when
     no perm is specified. (Stephen Chu and Sathish Gurram via cnauroth)
 
-  BUG FIXES
-
     HADOOP-10780. hadoop_user_info_alloc fails on FreeBSD due to incorrect
     sysconf use (Dmitry Sivachenko via Colin Patrick McCabe)