Fix - typo

core/cubes/clojure.el

@@ -1,4 +1,4 @@
-2;;; ClojureCubes --- The Clojure cubes for FG42 -*- lexical-binding: t; -*-
+;;; ClojureCubes --- The Clojure cubes for FG42 -*- lexical-binding: t; -*-
 ;;
 ;; Copyright (c) 2010-2021 Sameer Rahmani & Contributors
 ;;