fixed issue

packages/Webkul/Product/src/Http/Controllers/ProductController.php

@@ -155,15 +155,6 @@ class ProductController extends Controller
      */
     public function update(ProductForm $request, $id)
     {
-        foreach (request()->images['files'] as $fileExists) {
-            
-            if (! $fileExists) {
-                session()->flash('error', trans('admin::app.admin.system.image-required'));
-
-                return redirect()->back();
-            }
-        }
-
         $this->productRepository->update(request()->all(), $id);
 
         Event::dispatch('catalog.product.update.before', $id);