Set @dmk as admin in docs

AUTHORS.md

@@ -5,6 +5,7 @@ Explorer are:
 - [Rubén Rincón](https://rinconblanco.es)
 - [Patrick Quist](https://github.com/partouf)
 - [Austin Morton](https://github.com/apmorton)
+- [Marc Poulhiès](https://poulhies.fr)
 
 ---
 
@@ -15,7 +16,6 @@ Additionally, these people have been immensely helpful in the development of Com
 - [Simon Brand](https://blog.tartanllama.xyz/)
 - [Filipe Cabecinhas](https://github.com/filcab)
 - [Mats Larsen](https://supergrecko.dev)
-- [Marc Poulhiès](https://poulhies.fr)
 - [Jeremy Rifkin](https://github.com/jeremy-rifkin)
 
 Please also see our [Contributors](CONTRIBUTORS.md) for a full list.

README.md

@@ -125,7 +125,6 @@ We would also like to specially thank these people for their contributions to **
 - [Gabriel Devillers](https://github.com/voxelf) (_while working for [Kalray](http://www.kalrayinc.com/)_)
 - [Johan Engelen](https://github.com/JohanEngelen)
 - [Joshua Sheard](https://github.com/jsheard)
-- [Marc Poulhiès](https://github.com/dkm)
 - [Andrew Pardoe](https://github.com/AndrewPardoe)
 
 A number of [amazing sponsors](https://godbolt.org/#sponsors), both individuals and companies, have helped fund and