docs: Remove outdated files

The maintainers are listed in the DOAP file, and the authors are listed
in the commits history.

AUTHORS

@@ -1,65 +0,0 @@
-Please do not mail any of the authors listed here 
-asking questions about this version of GTK+. 
-
-Original Authors
-----------------
-Peter Mattis      <petm@xcf.berkeley.edu>
-Spencer Kimball   <spencer@xcf.berkeley.edu>
-Josh MacDonald    <jmacd@xcf.berkeley.edu>
-
-The GTK+ Team (in alphabetical order)
--------------------------------------
-Shawn T. Amundson <amundson@gtk.org>
-Jerome Bolliet    <bolliet@gtk.org>
-Damon Chaplin     <damon@gtk.org>
-Tony Gale         <gale@gtk.org>
-Jeff Garzik       <jgarzik@gtk.org>
-Lars Hamann       <lars@gtk.org>
-Raja R Harinath   <harinath@gtk.org>
-Carsten Haitzler  <raster@gtk.org>
-Tim Janik         <timj@gtk.org>
-Stefan Jeske      <stefan@gtk.org>
-Elliot Lee        <sopwith@gtk.org>
-Raph Levien       <raph@gtk.org>
-Ian Main          <imain@gtk.org>
-Federico Mena     <quartic@gtk.org>
-Paolo Molaro      <lupus@gtk.org>
-Jay Painter       <jpaint@gtk.org>
-Manish Singh      <manish@gtk.org>
-Owen Taylor       <otaylor@gtk.org>
-
-There are many others who have contributed patches; we thank them,
-GTK+ is much better because of them.
-
-
-Over time, GTK+ has incorporated some pieces of software which 
-started as independent projects. We list the original authors here:
-
-
-MS-Windows theme engine
------------------------
-Raymond Penners
-Dom Lachowicz
-
-
-Pixbuf theme engine
--------------------
-Owen Taylor
-
-
-IME input method
-----------------
-Takuro Ashie
-Kazuki IWAMOTO
-
-
-Mac OS X backend
-----------------
-Anders Carlsson
-
-
-DirectFB backend
-----------------
-Denis Oliver Kropp
-Sven Neumann
-Mike Emmel

MAINTAINERS

@@ -1,12 +0,0 @@
-Matthias Clasen
-E-mail: mclasen@redhat.com
-Userid: matthiasc
-
-Tim Janik
-E-mail: timj@gtk.org
-Userid: timj
-
-Note that a lot of people are contributing to GTK+, and some parts of it 
-are technically maintained by other people. The people listed above are
-meant as contacts for administrative questions such as cvs accounts. Other
-questions are best directed to the mailing list gtk-devel-list@gnome.org.