revert: docs($interpolate): add example for the provider

This reverts commit 1a01e80.

This example is bogus, breaks docs.angularjs.org and karma e2e tests

Author: IgorMinar

src/ng/interpolate.js

@@ -8,38 +8,6 @@
  * @description
  *
  * Used for configuring the interpolation markup. Defaults to `{{` and `}}`.
- * 
- * @example
-   <doc:example>
-     <doc:source>
-      <script>
-        var myApp = angular.module('App', [], function($interpolateProvider) {
-          $interpolateProvider.startSymbol('//');
-          $interpolateProvider.endSymbol('//');
-        });
-        function Controller($scope) {   
-            $scope.label = "Interpolation Provider Sample";
-        }
-      </script>
-      <div ng-app="App" ng-controller="Controller">
-          //label//
-      </div>
-     </doc:source>
-     <doc:scenario>
-       describe('provider', function() {
-          beforeEach(module(function($interpolateProvider) {
-            $interpolateProvider.startSymbol('//');
-            $interpolateProvider.endSymbol('//');
-          }));
-
-          it('should not get confused with same markers', inject(function($interpolate) {
-            expect($interpolate('///').parts).toEqual(['///']);
-            expect($interpolate('////')()).toEqual('');
-            expect($interpolate('//1//')()).toEqual('1');
-          }));
-       });
-     </doc:scenario>
-   </doc:example>
  */
 function $InterpolateProvider() {
   var startSymbol = '{{';