remove unused import (#527)

Co-authored-by: Yang Ming <[email protected]>

Author: yang17

app/code/Meta/BusinessExtension/Model/Api/CoreConfig.php

@@ -21,7 +21,6 @@
 namespace Meta\BusinessExtension\Model\Api;
 
 use Magento\Framework\DataObject;
-use Magento\Tests\NamingConvention\true\string;
 use Meta\BusinessExtension\Api\CoreConfigInterface;
 
 class CoreConfig extends DataObject implements CoreConfigInterface