- Removed restore_quote event observer, which caused Magento to revert stock twice.

Author: dverkade

app/code/Magento/CatalogInventory/etc/events.xml

@@ -27,9 +27,6 @@
     <event name="sales_model_service_quote_submit_failure">
         <observer name="inventory" instance="Magento\CatalogInventory\Observer\RevertQuoteInventoryObserver"/>
     </event>
-    <event name="restore_quote">
-        <observer name="inventory" instance="Magento\CatalogInventory\Observer\RevertQuoteInventoryObserver"/>
-    </event>
     <event name="sales_order_item_cancel">
         <observer name="inventory" instance="Magento\CatalogInventory\Observer\CancelOrderItemObserver"/>
     </event>