dev-util/shards: Maintainer retired

Proxied maintainer retired due to inactivity.
Closes: https://bugs.gentoo.org/633308
Package-Manager: Portage-2.3.38, Repoman-2.3.9

dev-util/shards/metadata.xml

@@ -1,22 +1,15 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
-	<maintainer type="person">
-		<email>[email protected]</email>
-		<name>Lixiao Chen</name>
-	</maintainer>
 	<maintainer type="person">
 		<email>[email protected]</email>
 		<name>Sergei Trofimovich</name>
 	</maintainer>
-	<maintainer type="project">
-		<email>[email protected]</email>
-		<name>Gentoo Proxy Maintainers Project</name>
-	</maintainer>
 	<longdescription lang="en">
 		Dependency manager for the Crystal language
 	</longdescription>
 	<upstream>
 		<remote-id type="github">ysbaddaden/shards</remote-id>
 	</upstream>
 </pkgmetadata>
+