Remove redundant mention of GPL 2 or later from metainfo description

launcher/eu.vcmi.VCMI.metainfo.xml

@@ -17,7 +17,6 @@
 			<li>Random map generator that supports objects added by mods</li>
 		</ul>
 		<p>Note: In order to play the game using VCMI you need to own data files for Heroes of Might and Magic III: The Shadow of Death.</p>
-		<p>VCMI is an open-source project released under the GNU General Public License version 2 or later.</p>
 		<p>If you want help, please check our forum, bug tracker or GitHub page.</p>
 	</description>
 	<screenshots>