test: remove obsolete eslint-disable comment

The align-function-arguments custom rule is obsolete and has been
removed from the code base. Remove comment that used to disable it for
one file.

PR-URL: https://github.com/nodejs/node/pull/11643


Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>
Reviewed-By: Teddy Katz <teddy.katz@gmail.com>