events: use Reflect.apply

Instead of callback bound apply, instead use the standard
Reflect.apply. This is both safer and appears to offer
a slight performance benefit.

PR-URL: https://github.com/nodejs/node/pull/17456
Refs: https://github.com/nodejs/node/issues/12956


Reviewed-By: Timothy Gu <timothygu99@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>