*/*: drop to maintainer-needed

Closes: https://github.com/gentoo/guru/pull/141
Signed-off-by: Julien Roy <julien@jroy.ca>

dev-python/hunter/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>lssndrbarbieri@gmail.com</email>
-		<name>Alessandro Barbieri</name>
-	</maintainer>
+	<!-- maintainer-needed -->
 	<longdescription lang="en">
 Hunter is a flexible code tracing toolkit, not for measuring coverage, but for debugging, logging, inspection and other nefarious purposes. It has a simple Python API, a convenient terminal API and a CLI tool to attach to processes.
 Design notes