On remove-log-addressing branch: Further cleanup now unused code.

* subversion/libsvn_fs_fs/util.c
  (svn_fs_fs__path_txn_item_index): Remove implementation.


git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/remove-log-addressing@1604129 13f79535-47bb-0310-9956-ffa450edef68