Latest fixes

Author: lruozzi9

UPGRADE.md

@@ -5,12 +5,8 @@ In this version, we have updated the plugin to be compatible with version 2 of S
 - The route `@WebgriffeSyliusClerkPlugin/config/shop_routing.php` has been renamed to `@WebgriffeSyliusClerkPlugin/config/routes/shop.php`.
 - The route `@WebgriffeSyliusClerkPlugin/config/feed_routing.php` has been renamed to `@WebgriffeSyliusClerkPlugin/config/routes/feed.php`.
 - The file `@WebgriffeSyliusClerkPlugin/config/config.yaml` has been renamed to `@WebgriffeSyliusClerkPlugin/config/config.php`.
-- The deprecated service `Webgriffe\SyliusClerkPlugin\Controller\FeedController` has been removed.
-- The deprecated service `Webgriffe\SyliusClerkPlugin\Normalizer\CustomerNormalizer` has been removed.
-- The deprecated service `Webgriffe\SyliusClerkPlugin\Normalizer\OrderNormalizer` has been removed.
-- The deprecated service `Webgriffe\SyliusClerkPlugin\Normalizer\ProductNormalizer` has been removed.
-- The deprecated service `Webgriffe\SyliusClerkPlugin\Normalizer\TaxonNormalizer` has been removed.
-- The deprecated service `webgriffe_sylius_clerk.command.generate_feed` has been removed.
+- Various deprecated classes and their services have been removed. Please migrate to use the new feed v2 generation and the new API key providers as described in the documentation of the plugin.
+- The private_api_key configuration key under stores has been removed.
 
 ## From 2.x to 3.x