net-im/Quaternion: drop myself as a maintainer

Signed-off-by: Haelwenn (lanodan) Monnier <contact@hacktivis.me>

net-im/Quaternion/metadata.xml

@@ -1,10 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
-	<maintainer type="person">
-		<email>contact@hacktivis.me</email>
-		<name>Haelwenn (lanodan) Monnier</name>
-	</maintainer>
+	<!-- maintainer-needed -->
 	<upstream>
 		<remote-id type="github">quotient-im/Quaternion</remote-id>
 	</upstream>