Revert of Implement dumb URLLoader{Factory} for ServiceWorker script loading

content/renderer/service_worker/service_worker_context_client.cc

Index: content/renderer/service_worker/service_worker_context_client.cc
diff --git a/content/renderer/service_worker/service_worker_context_client.cc b/content/renderer/service_worker/service_worker_context_client.cc
index 2f92373c94de7469836e0608caf5b64562440aa3..a1e97f3525ba9152f38e56508878108b75ad7256 100644
--- a/content/renderer/service_worker/service_worker_context_client.cc
+++ b/content/renderer/service_worker/service_worker_context_client.cc
@@ -100,8 +100,6 @@ class WebServiceWorkerNetworkProviderImpl
     // Service workers are only available in secure contexts, so all requests
     // are initiated in a secure context.
     extra_data->set_initiated_in_secure_context(true);
-    extra_data->set_url_loader_factory_override(
-        provider_->script_loader_factory());
     request.SetExtraData(extra_data.release());
   }