Remove team members from the THANKS file

The (current and past) team members are listed in the AUTHORS file.

THANKS.in

@@ -183,12 +183,10 @@ Sebastian Wiesinger
 Jason Kau
 Michael Tiernan
 Jeremy Reed
-Holger Weiss
 Cire Iriarte
 Allan Bennett
 Ari Pollak
 Lance Albertson
-Nathan Vonnahme
 Mike Emigh
 Christian Mies
 Andreas Behal
@@ -203,7 +201,6 @@ Florian Gleixner
 Pawel Malachowski
 Duncan Ferguson
 Dick van den Burg
-Matthias Eble
 Sebastian Schubert
 Jason Hoos
 Chris Grim