Remove myself (fuuzetsu) from maintainer lists

I haven't been doing any maintenance for a long time now and not only
do I get notified, it also creates a fake impression that all these
packages had at least one maintainer when in practice they had none.

pkgs/applications/audio/opusfile/default.nix

@@ -18,6 +18,6 @@ stdenv.mkDerivation rec {
     homepage = http://www.opus-codec.org/;
     license = licenses.bsd3;
     platforms = platforms.linux ++ platforms.darwin;
-    maintainers = with maintainers; [ fuuzetsu ];
+    maintainers = with maintainers; [ ];
   };
 }