Added in missing method short descriptions in GroupedItemQtyInterface and CartItemProcessor

Author: Shawn Abramson

app/code/Magento/GroupedProduct/Api/Data/GroupedItemQtyInterface.php

@@ -45,6 +45,8 @@ public function setQty($qty);
     public function getQty();
 
     /**
+     * Set extension attributes
+     *
      * @param \Magento\GroupedProduct\Api\Data\GroupedItemQtyExtensionInterface $extensionAttributes
      *
      * @return $this
@@ -54,6 +56,8 @@ public function setExtensionAttributes(
     );
 
     /**
+     * Get extension attributes
+     *
      * @return \Magento\GroupedProduct\Api\Data\GroupedItemQtyExtensionInterface|null
      */
     public function getExtensionAttributes();

app/code/Magento/GroupedProduct/Model/Quote/Item/CartItemProcessor.php

@@ -34,7 +34,6 @@ public function __construct(ObjectFactory $objectFactory)
     }
 
     /**
-     *
      * Converts the super_group request data into the same format as native frontend add-to-cart
      *
      * @param CartItemInterface $cartItem