Fixed Unit test failure

Author: Shikha Mishra

app/code/Magento/Customer/Test/Unit/Model/Customer/DataProviderWithDefaultAddressesTest.php

@@ -339,7 +339,6 @@ public function testGetData(): void
             'default_shipping' => 2,
             'password_hash' => 'password_hash',
             'rp_token' => 'rp_token',
-            'confirmation' => 'confirmation',
         ];
 
         $address = $this->getMockBuilder(\Magento\Customer\Model\Address::class)