Modules: simplify logic around allocation of module internal variables

src/scopes.h

Index: src/scopes.h
diff --git a/src/scopes.h b/src/scopes.h
index 9057c35ff261712c9d345fd3648ce28de65550a8..44434fa3622091d19d6b9e511e881883fb0b802f 100644
--- a/src/scopes.h
+++ b/src/scopes.h
@@ -692,7 +692,7 @@ class Scope: public ZoneObject {
   void AllocateNonParameterLocal(Isolate* isolate, Variable* var);
   void AllocateNonParameterLocals(Isolate* isolate);
   void AllocateVariablesRecursively(Isolate* isolate);
-  void AllocateModulesRecursively(Scope* host_scope);
+  void AllocateModules();
 
   // Resolve and fill in the allocation information for all variables
   // in this scopes. Must be called *after* all scopes have been