Remove outdated ban on lazy compilation due to scope chain.

src/scopes.h

Index: src/scopes.h
diff --git a/src/scopes.h b/src/scopes.h
index ba45cc47ad6825564b14652ecdb65ec91fddbdcb..fac8a5622d440d1a4a6db537839d297089d77091 100644
--- a/src/scopes.h
+++ b/src/scopes.h
@@ -482,9 +482,6 @@ class Scope: public ZoneObject {
   // True if the outer context of this scope is always the native context.
   bool HasTrivialOuterContext() const;
 
-  // True if the outer context allows lazy compilation of this scope.
-  bool HasLazyCompilableOuterContext() const;
-
   // The number of contexts between this and scope; zero if this == scope.
   int ContextChainLength(Scope* scope);