doc: move AndreasMadsen to emeritus

In private email, Andreas Madsen indicated it would be OK to move him to
emeritus.

README.md

@@ -251,8 +251,6 @@ For information about the governance of the Node.js project, see
 **Antoine du Hamel** <duhamelantoine1995@gmail.com> (he/him)
 * [ak239](https://github.com/ak239) -
 **Aleksei Koziatinskii** <ak239spb@gmail.com>
-* [AndreasMadsen](https://github.com/AndreasMadsen) -
-**Andreas Madsen** <amwebdk@gmail.com> (he/him)
 * [antsmartian](https://github.com/antsmartian) -
 **Anto Aravinth** <anto.aravinth.cse@gmail.com> (he/him)
 * [apapirovski](https://github.com/apapirovski) -
@@ -466,6 +464,8 @@ For information about the governance of the Node.js project, see
 **Andras** <andras@kinvey.com>
 * [AnnaMag](https://github.com/AnnaMag) -
 **Anna M. Kedzierska** <anna.m.kedzierska@gmail.com>
+* [AndreasMadsen](https://github.com/AndreasMadsen) -
+**Andreas Madsen** <amwebdk@gmail.com> (he/him)
 * [aqrln](https://github.com/aqrln) -
 **Alexey Orlenko** <eaglexrlnk@gmail.com> (he/him)
 * [bnoordhuis](https://github.com/bnoordhuis) -