[clike mode] Remove obsolete function namespace

mode/clike/clike.js

@@ -173,7 +173,6 @@ CodeMirror.defineMode("clike", function(config, parserConfig) {
   };
 });
 
-(function() {
   function words(str) {
     var obj = {}, words = str.split(" ");
     for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
@@ -432,6 +431,5 @@ CodeMirror.defineMode("clike", function(config, parserConfig) {
     hooks: {"#": cppHook},
     modeProps: {fold: ["brace", "include"]}
   });
-}());
 
 });