[runtime] Replace global object link with native context link in all contexts.

src/compiler/typer.cc

Index: src/compiler/typer.cc
diff --git a/src/compiler/typer.cc b/src/compiler/typer.cc
index 656223c4a41d20885d1f28072ecd8f23fb8a613b..8402d6b6477171ce1e86232ab03c9fb9a72fc067 100644
--- a/src/compiler/typer.cc
+++ b/src/compiler/typer.cc
@@ -1397,11 +1397,6 @@ Type* Typer::Visitor::TypeJSStoreContext(Node* node) {
 }
 
 
-Type* Typer::Visitor::TypeJSLoadNativeContext(Node* node) {
-  return Type::Intersect(Type::Internal(), Type::TaggedPointer(), zone());
-}
-
-
 Type* Typer::Visitor::TypeJSLoadDynamic(Node* node) { return Type::Any(); }