treewide: remove gnidorah

due to github account removal/deletion and not other mean of contact.

pkgs/applications/misc/ArchiSteamFarm/default.nix

@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
     homepage = "https://github.com/JustArchiNET/ArchiSteamFarm";
     license = licenses.asl20;
     platforms = dotnetCorePackages.aspnetcore_3_1.meta.platforms;
-    maintainers = with maintainers; [ gnidorah ];
+    maintainers = with maintainers; [ ];
     hydraPlatforms = [];
   };
 }

pkgs/applications/misc/cpu-x/default.nix

@@ -27,6 +27,6 @@ stdenv.mkDerivation rec {
     homepage = src.meta.homepage;
     license = licenses.gpl3;
     platforms = [ "x86_64-linux" ];
-    maintainers = with maintainers; [ gnidorah ];
+    maintainers = with maintainers; [ ];
   };
 }

pkgs/applications/misc/qdirstat/default.nix

@@ -51,7 +51,7 @@ mkDerivation {
     description = "Graphical disk usage analyzer";
     homepage = src.meta.homepage;
     license = licenses.gpl2Plus;
-    maintainers = with maintainers; [ gnidorah ];
+    maintainers = with maintainers; [ ];
     platforms = platforms.linux;
   };
 }