MAGETWO-45339: Cart price rule not applied for Payment method conditions

 - remove payment_method condition for cart rules

Author: Robert He

app/code/Magento/SalesRule/Model/Rule/Condition/Address.php

@@ -61,7 +61,6 @@ public function loadAttributeOptions()
             'base_subtotal' => __('Subtotal'),
             'total_qty' => __('Total Items Quantity'),
             'weight' => __('Total Weight'),
-            'payment_method' => __('Payment Method'),
             'shipping_method' => __('Shipping Method'),
             'postcode' => __('Shipping Postcode'),
             'region' => __('Shipping Region'),
@@ -100,7 +99,6 @@ public function getInputType()
                 return 'numeric';
 
             case 'shipping_method':
-            case 'payment_method':
             case 'country_id':
             case 'region_id':
                 return 'select';
@@ -117,7 +115,6 @@ public function getValueElementType()
     {
         switch ($this->getAttribute()) {
             case 'shipping_method':
-            case 'payment_method':
             case 'country_id':
             case 'region_id':
                 return 'select';
@@ -146,10 +143,6 @@ public function getValueSelectOptions()
                     $options = $this->_shippingAllmethods->toOptionArray();
                     break;
 
-                case 'payment_method':
-                    $options = $this->_paymentAllmethods->toOptionArray();
-                    break;
-
                 default:
                     $options = [];
             }
@@ -175,10 +168,6 @@ public function validate(\Magento\Framework\Model\AbstractModel $model)
             }
         }
 
-        if ('payment_method' == $this->getAttribute() && !$address->hasPaymentMethod()) {
-            $address->setPaymentMethod($model->getQuote()->getPayment()->getMethod());
-        }
-
         return parent::validate($address);
     }
 }