doc: move matthewloring to emeriti

Matt is not an active collaborator at this time. Moved to the
Collaborator Emeriti section.

PR-URL: https://github.com/nodejs/node/pull/17998
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Minwoo Jung <minwoo@nodesource.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Matthew Loring <mattloring@google.com>
Reviewed-By: Jon Moss <me@jonathanmoss.me>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>

README.md

@@ -411,8 +411,6 @@ For more information about the governance of the Node.js project, see
 **Luca Maraschi** <luca.maraschi@gmail.com> (he/him)
 * [maclover7](https://github.com/maclover7) -
 **Jon Moss** <me@jonathanmoss.me> (he/him)
-* [matthewloring](https://github.com/matthewloring) -
-**Matthew Loring** <mattloring@google.com>
 * [mcollina](https://github.com/mcollina) -
 **Matteo Collina** <matteo.collina@gmail.com> (he/him)
 * [mhdawson](https://github.com/mhdawson) -
@@ -518,6 +516,8 @@ For more information about the governance of the Node.js project, see
 **Isaac Z. Schlueter** <i@izs.me>
 * [lxe](https://github.com/lxe) -
 **Aleksey Smolenchuk** <lxe@lxe.co>
+* [matthewloring](https://github.com/matthewloring) -
+**Matthew Loring** <mattloring@google.com>
 * [monsanto](https://github.com/monsanto) -
 **Christopher Monsanto** <chris@monsan.to>
 * [Olegas](https://github.com/Olegas) -