maintainers: Remove stepech

maintainers/maintainer-list.nix

···
       fingerprint = "5D8B FA8B 286A C2EF 6EE4  8598 F742 B72C 8926 1A51";
     }];
   };
-  stepech = {
-    name = "stepech";
-    github = "stepech";
-    githubId = 29132060;
-    matrix = "@stepech:matrix.org";
-  };
   stephank = {
     email = "[e-mail]";
     matrix = "@skochen:matrix.org";

pkgs/tools/networking/burpsuite/default.nix

···
     license = licenses.unfree;
     platforms = jdk.meta.platforms;
     hydraPlatforms = [ ];
-    maintainers = with maintainers; [ bennofs stepech ];
+    maintainers = with maintainers; [ bennofs ];
   };
 }