Remove pointless "license" section

doc/manual/introduction/introduction.xml

@@ -6,11 +6,6 @@
 
 <title>Introduction</title>
 
-<partintro>
-<para>This section describes the main features of Nix and the license under which you can use Nix.</para>
-</partintro>
-
 <xi:include href="about-nix.xml" />
-<xi:include href="nix-license.xml" />
 
 </part>

doc/manual/introduction/nix-license.xml

@@ -1,20 +0,0 @@
-<chapter xmlns="http://docbook.org/ns/docbook"
-      xmlns:xlink="http://www.w3.org/1999/xlink"
-      xmlns:xi="http://www.w3.org/2001/XInclude"
-      version="5.0"
-      xml:id="ch-nix-license">
-
-<title>License</title>
-
-<para>Nix is free software; you can redistribute it and/or modify it
-under the terms of the <link
-xlink:href="http://www.gnu.org/licenses/lgpl.html">GNU Lesser General
-Public License</link> as published by the <link
-xlink:href="http://www.fsf.org/">Free Software Foundation</link>;
-either version 2.1 of the License, or (at your option) any later
-version.  Nix is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-Lesser General Public License for more details.</para>
-
-</chapter>