MAGETWO-86258: Fix for reverting stock twice for cancelled orders magento#12668

 - Merge Pull Request magento#12668 from dverkade/magento2:patch-22
 - Merged commits:
   1. 2c1d6a4

Author: adrian-martinez-interactiv4

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>