Pete Bacon Darwin 6dd8f6efe4 docs(aio): remove invalid nav item (#23175)
The `custom-elements` guide page was renamed to `elements` in ff34d5ea7.
That commit also added a new nav item for the renamed file, so this item is
no longer valid.

PR Close #23175
2018-04-04 14:32:14 -07:00
..
2018-04-04 08:24:02 -07:00