message: remove legacy doc
diff: @@ -525,7 +525,6 @@ pub fn prepare_init(cx: &mut Context, unit: &Unit) -> CargoResult<()> {
  Ok(())
  }
  -/// Returns the (old, new) location for the dep info file of a target.
  pub fn dep_info_loc(cx: &mut Context, unit: &Unit) -> PathBuf {
  cx.fingerprint_dir(unit).join(&format!("dep-{}", filename(cx, unit)))
  }
  