Fix config property for 3ds2 and put it default on true.

Helper/Data.php

@@ -467,18 +467,6 @@ class Data extends AbstractHelper
         return $this->getConfigData($field, 'adyen_cc_vault', $storeId, true);
     }
 
-    /**
-     * Gives back adyen_cc_threeds2 configuration values as flag
-     *
-     * @param $field
-     * @param null $storeId
-     * @return mixed
-     */
-    public function getAdyenCcThreeDS2ConfigDataFlag($field, $storeId = null)
-    {
-        return $this->getConfigData($field, 'adyen_cc_threeds2', $storeId, true);
-    }
-
     /**
      * Gives back adyen_hpp configuration values
      *
@@ -1739,7 +1727,7 @@ class Data extends AbstractHelper
      */
     public function isCreditCardThreeDS2Enabled($storeId = null)
     {
-        return $this->getAdyenCcThreeDS2ConfigDataFlag('active', $storeId);
+        return $this->getAdyenCcConfigDataFlag('threeds2_enabled', $storeId);
     }
 
 	/**

etc/adminhtml/system/adyen_cc.xml

@@ -63,7 +63,7 @@
                showInStore="1">
             <label>3DS2.0 Enabled</label>
             <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
-            <config_path>payment/adyen_cc_threeds2/active</config_path>
+            <config_path>payment/adyen_cc/threeds2_enabled</config_path>
         </field>
 
         <group id="adyen_cc_advanced_settings" translate="label" showInDefault="1" showInWebsite="1" showInStore="1"

etc/config.xml

@@ -62,6 +62,7 @@
                 <can_cancel>1</can_cancel>
                 <can_authorize_vault>1</can_authorize_vault>
                 <can_capture_vault>1</can_capture_vault>
+                <threeds2_enabled>1</threeds2_enabled>
                 <group>adyen</group>
             </adyen_cc>
             <adyen_cc_vault>