net-libs/libsearpc: remove self from proxy-maintainers

Signed-off-by: Quentin Retornaz <gentoo@retornaz.com>

net-libs/libsearpc/metadata.xml

@@ -1,14 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
-	<maintainer type="person" proxied="yes">
-		<email>gentoo@retornaz.com</email>
-		<name>Quentin Retornaz</name>
-	</maintainer>
-	<maintainer type="project" proxied="proxy">
-		<email>proxy-maint@gentoo.org</email>
-		<name>Proxy Maintainers</name>
-	</maintainer>
+	<!-- maintainer-needed -->
 	<upstream>
 		<remote-id type="github">haiwen/libsearpc</remote-id>
 	</upstream>