lib: remove semicolon in preparation for babel/eslint-parser update

eslint-babel-plugin will complain about this semicolon when we update
to 7.14.15.

PR-URL: https://github.com/nodejs/node/pull/39094


Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>