Merge pull request #105711 from cransom/cassandra-maintainer

cassandra: remove maintainer cransom

pkgs/servers/nosql/cassandra/generic.nix

···
     description = "A massively scalable open source NoSQL database";
     platforms = platforms.unix;
     license = licenses.asl20;
-    maintainers = with maintainers; [ cransom ];
+    maintainers = [];
   };
 }