ENGCOM-4794: Removes usage of classes which don't exist from DB migration scripts. #22446

 - Merge Pull Request #22446 from hostep/magento2:removes-unexisting-classes-from-setup-code
 - Merged commits:
   1. f22e16b
   2. 9e00ed2

Author: magento-engcom-team

app/code/Magento/Catalog/Setup/CategorySetup.php

@@ -53,6 +53,8 @@
 use Magento\Theme\Model\Theme\Source\Theme;
 
 /**
+ * Setup category with default entities.
+ *
  * @SuppressWarnings(PHPMD.CouplingBetweenObjects)
  */
 class CategorySetup extends EavSetup

app/code/Magento/Customer/Setup/Patch/Data/MigrateStoresAllowedCountriesToWebsite.php

@@ -13,6 +13,9 @@
 use Magento\Framework\Setup\Patch\DataPatchInterface;
 use Magento\Framework\Setup\Patch\PatchVersionInterface;
 
+/**
+ * Migrate store allowed countries to website.
+ */
 class MigrateStoresAllowedCountriesToWebsite implements DataPatchInterface, PatchVersionInterface
 {
     /**
@@ -47,10 +50,11 @@ public function __construct(
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function apply()
     {
+
         $this->moduleDataSetup->getConnection()->beginTransaction();
 
         try {
@@ -148,7 +152,7 @@ private function mergeAllowedCountries(array $countries, array $newCountries, $i
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public static function getDependencies()
     {
@@ -158,15 +162,15 @@ public static function getDependencies()
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public static function getVersion()
     {
         return '2.0.9';
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function getAliases()
     {