Rip out most of our outdated modules implementation.

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 91bfaf2c26c79b73b2332a62ed7bab33e4947e01..38890f9d7441f66db0d370e9323c74ca7ebabc27 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -64,7 +64,6 @@
 //         - JSRegExp
 //         - JSFunction
 //         - JSGeneratorObject
-//         - JSModule
 //         - JSGlobalObject
 //         - JSGlobalProxy
 //         - JSValue
@@ -933,7 +932,6 @@ template <class C> inline bool Is(Object* obj);
   V(JSObject)                    \
   V(JSContextExtensionObject)    \
   V(JSGeneratorObject)           \
-  V(JSModule)                    \
   V(Map)                         \
   V(DescriptorArray)             \
   V(TransitionArray)             \
@@ -7429,31 +7427,6 @@ class JSGeneratorObject: public JSObject {
 };
 
 
-// Representation for module instance objects.
-class JSModule: public JSObject {
- public:
-  // [context]: the context holding the module's locals, or undefined if none.
-  DECL_ACCESSORS(context, Object)
-
-  // [scope_info]: Scope info.
-  DECL_ACCESSORS(scope_info, ScopeInfo)
-
-  DECLARE_CAST(JSModule)
-
-  // Dispatched behavior.
-  DECLARE_PRINTER(JSModule)
-  DECLARE_VERIFIER(JSModule)
-
-  // Layout description.
-  static const int kContextOffset = JSObject::kHeaderSize;
-  static const int kScopeInfoOffset = kContextOffset + kPointerSize;
-  static const int kSize = kScopeInfoOffset + kPointerSize;
-
- private:
-  DISALLOW_IMPLICIT_CONSTRUCTORS(JSModule);
-};
-
-
 // JSBoundFunction describes a bound function exotic object.
 class JSBoundFunction : public JSObject {
  public: