Remove jasmine.util.extend

src/core/util.js

@@ -58,10 +58,4 @@ jasmine.util.argsToArray = function(args) {
   var arrayOfArgs = [];
   for (var i = 0; i < args.length; i++) arrayOfArgs.push(args[i]);
   return arrayOfArgs;
-};
-
-jasmine.util.extend = function(destination, source) {
-  for (var property in source) destination[property] = source[property];
-  return destination;
-};
-
+};