maintainers: drop n0emis

Not reacting to maintainer pings for more than half a year. Dropping
according to maintainer guidelines.

maintainers/maintainer-list.nix

@@ -18195,12 +18195,6 @@
     githubId = 61601147;
     name = "basti n00b0ss";
   };
-  n0emis = {
-    email = "nixpkgs@n0emis.network";
-    github = "n0emis";
-    githubId = 22817873;
-    name = "Ember Keske";
-  };
   n3oney = {
     name = "Michał Minarowski";
     email = "nixpkgs@neoney.dev";

maintainers/team-list.nix

@@ -838,7 +838,6 @@ with lib.maintainers;
 
   wdz = {
     members = [
-      n0emis
       johannwagner
       yuka
     ];