On the 'move-tracking-2' branch: Remove an unwanted warning.

* subversion/svnmover/svnmover.c
  (parse_branch_info): Remove a debug print, since in the current storage format
    a "(null)" path record is correct.

git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/move-tracking-2@1627514 13f79535-47bb-0310-9956-ffa450edef68