net-irc/quassel: remove proxy maintainer and g-p-m from metadata.xml

Package-Manager: portage-2.2.26

net-irc/quassel/metadata.xml

@@ -8,14 +8,6 @@
 		<email>[email protected]</email>
 		<name>Johannes Huber</name>
 	</maintainer>
-	<maintainer type="person">
-		<email>[email protected]</email>
-		<description>Upstream author, please CC on bugs</description>
-	</maintainer>
-	<maintainer type="project">
-		<email>[email protected]</email>
-		<name>Proxy Maintainers</name>
-	</maintainer>
 	<use>
 		<flag name="monolithic">
 			Build Standalone client with integrated core, no external