MAGETWO-65403: [Backport] - [Performance] Add an opportunity to turn off swatches for category page - for 2.1.6

Author: lestare

dev/tests/functional/tests/app/Magento/Swatches/Test/Constraint/AssertSwatchesVisibilityInCategory.php

@@ -6,14 +6,10 @@
 
 namespace Magento\Swatches\Test\Constraint;
 
-use Magento\Catalog\Test\Fixture\Category;
 use Magento\Catalog\Test\Page\Category\CatalogCategoryView;
 use Magento\Cms\Test\Page\CmsIndex;
-use Magento\Config\Test\TestStep\SetupConfigurationStep;
 use Magento\Mtf\Constraint\AbstractConstraint;
 use Magento\Mtf\Fixture\FixtureInterface;
-use Magento\Mtf\TestStep\TestStepFactory;
-use Magento\Mtf\Util\Command\Cli\Indexer;
 
 /**
  * Assert swatches visibility in category page.
@@ -79,5 +75,4 @@ public function toString()
     {
         return 'Swatches visibility is correct.';
     }
-
 }