Revert "Create internal fields on global proxy objects"

src/api.cc

Index: src/api.cc
diff --git a/src/api.cc b/src/api.cc
index b7a5b2e4ec45e1642a6ad578e9f98604f490d806..ad41d819b7f094ddda7834f5ca57377ae8184f03 100644
--- a/src/api.cc
+++ b/src/api.cc
@@ -6075,9 +6075,6 @@ static i::Handle<ObjectType> CreateEnvironment(
       proxy_constructor->set_prototype_template(
           *Utils::OpenHandle(*global_template));
 
-      proxy_template->SetInternalFieldCount(
-          v8::Context::kProxyInternalFieldCount);
-
       // Migrate security handlers from global_template to
       // proxy_template.  Temporarily removing access check
       // information from the global template.