Stop throwing exceptions for null btc payment webhooks

app/PaymentDrivers/BTCPayPaymentDriver.php

@@ -98,7 +98,7 @@ class BTCPayPaymentDriver extends BaseDriver
         $btcpayRep = json_decode($webhook_payload);
 
         if ($btcpayRep == null) {
-            throw new PaymentFailed('Empty data');
+            return response()->noContent();
         }
 
         if (empty($btcpayRep->invoiceId)) {

app/Repositories/CompanyRepository.php

@@ -12,7 +12,6 @@
 
 namespace App\Repositories;
 
-use App\DataMapper\Tax\TaxModel;
 use App\Utils\Ninja;
 use App\Models\Company;
 use App\Repositories\BaseRepository;