Remove native support for the old-style changed paths retrieval API from FSX.
Remove native support for the old-style changed paths retrieval API from FSX.

This reduces the effort for also making the internal processing streamy.
The code path had been unused for FSX anyway.

* subversion/libsvn_fs_x/tree.c
  (construct_fs_id,
   construct_fs_path_change,
   x_paths_changed): Remove.

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1733803 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion