treewide: remove gnidorah

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

pkgs/tools/misc/me_cleaner/default.nix

@@ -19,6 +19,6 @@ buildPythonPackage rec {
       with the final purpose of reducing its ability to interact with the system.
     '';
     license = licenses.gpl3;
-    maintainers = with maintainers; [ gnidorah ];
+    maintainers = with maintainers; [ ];
   };
 }

pkgs/tools/misc/woeusb/default.nix

@@ -54,7 +54,7 @@ stdenv.mkDerivation rec {
     description = "Create bootable USB disks from Windows ISO images";
     homepage = "https://github.com/slacka/WoeUSB";
     license = licenses.gpl3;
-    maintainers = with maintainers; [ bjornfor gnidorah ];
+    maintainers = with maintainers; [ bjornfor ];
     platforms = platforms.linux;
   };
 }