fdo#46706 Windows 2000 is not supported any more

It may be install and run on Windows 2000, but nodody really tests
it on this old platform, and developers are reluctant to fix bugs
specific to this old platform.

Change-Id: Ibeb45c0c2e7aef67d2e68bb5d104c5c3c2752dc4

readlicense_oo/docs/readme.xrm

@@ -57,7 +57,7 @@
 			<div class="WIN" id="SystemRequirements_WIN">
 				<ul>
 					<li>
-						<p id="s2s3sdf2" xml:lang="en-US">Microsoft Windows 2000 (Service Pack 4 or higher), XP, Vista, or Windows 7</p>
+						<p id="s2s3sdf21" xml:lang="en-US">Microsoft Windows XP, Vista, Windows 7, or Windows 8</p>
 					</li>
 
 					<li>