With ESLint flat config, we don't need a hack with `node_modules`
anymore to load ESLint plugins.
This commit moves the node-core plugin out of `tools/node_modules` and
creates a new `tools/eslint` directory to store ESLint tools.
PR-URL: https://github.com/nodejs/node/pull/53393
Reviewed-By: Moshe Atlow <moshe@atlow.co.il>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Chemi Atlow <chemi@atlow.co.il>
Reviewed-By: Yagiz Nizipli <yagiz.nizipli@sentry.io>
Reviewed-By: Mohammed Keyvanzadeh <mohammadkeyvanzade94@gmail.com>
Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
