remove product id from product category variants table

src/Model/Entity/ProductCategoryVariant.php

@@ -12,11 +12,9 @@ use Cake\ORM\Entity;
  * @property string $id
  * @property string $name
  * @property string|null $product_category_id
- * @property string|null $product_id
  * @property bool $enabled
  *
  * @property ProductCategory|EntityInterface $product_category
- * @property Product|EntityInterface $product
  * @property ProductCategoryVariantOption[]|EntityInterface[] $product_category_variant_options
  */
 class ProductCategoryVariant extends Entity
@@ -33,12 +31,10 @@ class ProductCategoryVariant extends Entity
     protected array $_accessible = [
         'name' => true,
         'product_category_id' => true,
-        'product_id' => true,
         'enabled' => true,
 
         // entities
         'product_category' => false,
-        'product' => false,
         'product_category_variant_options' => true,
     ];
 }