MAGETWO-61064: Table vault_payment_token doesn't exist

Author: irenelagno

app/code/Magento/Vault/Setup/UpgradeData.php

@@ -26,11 +26,6 @@ class UpgradeData implements UpgradeDataInterface
      */
     private static $salesConnectionName = 'sales';
 
-    /**
-     * @var AdapterInterface
-     */
-    private $connection;
-
     /**
      * @inheritdoc
      */
@@ -74,5 +69,4 @@ public function upgrade(ModuleDataSetupInterface $setup, ModuleContextInterface
 
         $setup->endSetup();
     }
-
 }