doc: fix deprecation removed by mistake

In https://github.com/nodejs/node/commit/bae5de1949b8fed3b6f0653e7c1e9d860666e5af,
a deprecation (DEP0089) was added to the docs and another one (DEP0098)
was removed by mistake. This commit restores it.

PR-URL: https://github.com/nodejs/node/pull/19482


Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>