MAGETWO-66793: [Backport] Merchant can't unsubscribe Customer from Newsletter in Admin

Author: adifucan

app/code/Magento/Newsletter/Model/Subscriber.php

@@ -556,8 +556,8 @@ protected function _updateCustomerSubscription($customerId, $subscribe)
 
         $sendInformationEmail = false;
         $isConfirmNeed = 1 === (int)$this->_scopeConfig->getValue(
-                self::XML_PATH_CONFIRMATION_FLAG,
-                \Magento\Store\Model\ScopeInterface::SCOPE_STORE
+            self::XML_PATH_CONFIRMATION_FLAG,
+            \Magento\Store\Model\ScopeInterface::SCOPE_STORE
             );
         $status = $this->getSubscriptionStatus($subscribe, $isConfirmNeed, $customerId);
         if ($status == self::STATUS_SUBSCRIBED && $customerData->getConfirmation() === null) {