refactor: remove PaymentProviderInterface and TelepagosProvider, simplify CheckoutService and related tests

app/Domains/Integration/Services/Contracts/PaymentProviderInterface.php

@@ -1,15 +0,0 @@
-<?php
-
-namespace App\Domains\Integration\Services\Contracts;
-
-interface PaymentProviderInterface
-{
-    /**
-     * Procesa un pago con las credenciales específicas del Tenant.
-     *
-     * @param array $paymentData Datos del pago, incluyendo el método (ej. qr, transferencia).
-     * @param array $credentials Credenciales encriptadas previamente configuradas por el Tenant.
-     * @return array
-     */
-    public function process(array $paymentData, array $credentials): array;
-}

app/Domains/Integration/Services/PaymentProviderFactory.php

@@ -1,18 +0,0 @@
-<?php
-
-namespace App\Domains\Integration\Services;
-
-use App\Domains\Integration\Services\Contracts\PaymentProviderInterface;
-use App\Domains\Integration\Services\Providers\TelepagosProvider;
-use InvalidArgumentException;
-
-class PaymentProviderFactory
-{
-    public function make(string $integrationCode): PaymentProviderInterface
-    {
-        return match ($integrationCode) {
-            'telepagos' => new TelepagosProvider(),
-            default => throw new InvalidArgumentException("Integración de pago no soportada: {$integrationCode}"),
-        };
-    }
-}

app/Domains/Integration/Services/Providers/TelepagosProvider.php

@@ -1,19 +0,0 @@
-<?php
-
-namespace App\Domains\Integration\Services\Providers;
-
-use App\Domains\Integration\Services\Contracts\PaymentProviderInterface;
-use BadMethodCallException;
-
-class TelepagosProvider implements PaymentProviderInterface
-{
-    public function process(array $paymentData, array $credentials): array
-    {
-        // Mocked response for development and local testing
-        return [
-            'status' => 'approved',
-            'transaction_id' => 'mock_tp_' . uniqid(),
-            'payment_method' => $paymentData['payment_method'] ?? 'qr',
-        ];
-    }
-}