Rip out most of our outdated modules implementation.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 f76e1d7fb2008abd2a344bae25c19d92e0415a1b..fd9b62032ea48b02515958c55ce5c1e2833df645 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -64,7 +64,6 @@
 //         - JSRegExp
 //         - JSFunction
 //         - JSGeneratorObject
-//         - JSModule
 //         - JSGlobalObject
 //         - JSGlobalProxy
 //         - JSValue
@@ -929,7 +928,6 @@ template <class C> inline bool Is(Object* obj);
   V(JSObject)                      \
   V(JSContextExtensionObject)      \
   V(JSGeneratorObject)             \
-  V(JSModule)                      \
   V(Map)                           \
   V(DescriptorArray)               \
   V(TransitionArray)               \
@@ -7417,31 +7415,6 @@ 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: