removed dead links to trac.cakephp.org

cake/tests/cases/libs/cache.test.php

@@ -332,7 +332,6 @@ class CacheTest extends CakeTestCase {
  * Check that the "Cache.disable" configuration and a change to it
  * (even after a cache config has been setup) is taken into account.
  *
- * @link https://trac.cakephp.org/ticket/6236
  * @access public
  * @return void
  */

cake/tests/cases/libs/folder.test.php

@@ -663,7 +663,6 @@ class FolderTest extends CakeTestCase {
  *
  * @return void
  * @access public
- * @link   https://trac.cakephp.org/ticket/6259
  */
 	function testCopy() {
 		$path = TMP . 'folder_test';
@@ -722,7 +721,6 @@ class FolderTest extends CakeTestCase {
  *
  * @return void
  * @access public
- * @link   https://trac.cakephp.org/ticket/6259
  */
 	function testMove() {
 		$path = TMP . 'folder_test';

cake/tests/cases/libs/model/model_integration.test.php

@@ -1211,7 +1211,6 @@ class ModelIntegrationTest extends BaseModelTest {
 		));
 		$this->assertEqual($result, $expected);
 
-		// Tests related to ticket https://trac.cakephp.org/ticket/5594
 		$TestModel = new ArticleFeatured();
 		$TestFakeModel = new ArticleFeatured(array('table' => false));
 

cake/tests/cases/libs/view/helpers/html.test.php

@@ -364,7 +364,6 @@ class HtmlHelperTest extends CakeTestCase {
  *
  * @access public
  * @return void
- * @link https://trac.cakephp.org/ticket/6490
  */
 	function testImageTagWithTheme() {
 		if ($this->skipIf(!is_writable(WWW_ROOT . 'theme'), 'Cannot write to webroot/theme')) {