dev-libs/gmobile: drop myself as a maintainer

Signed-off-by: Anna (cybertailor) Vyalkova <cyber+gentoo@sysrq.in>

dev-libs/gmobile/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>cyber+gentoo@sysrq.in</email>
-		<name>Anna</name>
-	</maintainer>
+	<!-- maintainer-needed -->
 	<upstream>
 		<maintainer>
 			<name>Guido Günther</name>