fix($anchorScroll): removed forgotten 'ddescribe'

Author: gkalpak

test/ng/anchorScrollSpec.js

@@ -1,6 +1,6 @@
 'use strict';
 
-ddescribe('$anchorScroll', function() {
+describe('$anchorScroll', function() {
 
   var elmSpy;
   var docSpies;