remove variant type id (enum) from variants table, use internal id for category field on variants form

src/Model/Enum/ProductCategoryVariantTypeId.php

@@ -1,21 +0,0 @@
-<?php
-namespace CakeProducts\Model\Enum;
-
-use Cake\Database\Type\EnumLabelInterface;
-use Tools\Model\Enum\EnumOptionsTrait;
-
-enum ProductCategoryVariantTypeId: int implements EnumLabelInterface
-{
-    use EnumOptionsTrait;
-
-    case AutoAdd = 1;
-    case ManualAdd = 2;
-
-    public function label(): string
-    {
-        return match($this) {
-            self::AutoAdd => 'All Variant Combinations Created Automatically',
-            self::ManualAdd => 'Variants Manually Managed',
-        };
-    }
-}