Let's have `display.el` be a pure library. Once I convert all of my Elisp
libraries to pure libraries, I can publicly export them for other depot users
and maybe other Github users (with the proper josh configuration?).
Change-Id: I87cce80ebb7d2396e39246dabc4e49d7aba2c094
Reviewed-on: https://cl.tvl.fyi/c/depot/+/5038
Tested-by: BuildkiteCI
Autosubmit: wpcarro <wpcarro@gmail.com>
Reviewed-by: wpcarro <wpcarro@gmail.com>