Merge pull request #997 from cakephp/cleanup

Remove unused classes

Author: dereuromark

config/bootstrap.php

@@ -34,8 +34,6 @@
 use Cake\Cache\Cache;
 use Cake\Core\Configure;
 use Cake\Core\Configure\Engine\PhpConfig;
-use Cake\Database\Type\StringType;
-use Cake\Database\TypeFactory;
 use Cake\Datasource\ConnectionManager;
 use Cake\Error\ErrorTrap;
 use Cake\Error\ExceptionTrap;