Rip out most of our outdated modules implementation.

src/contexts-inl.h

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_CONTEXTS_INL_H_
 #define V8_CONTEXTS_INL_H_
 
 #include "src/contexts.h"
 #include "src/objects-inl.h"
 
@@ skipping 49 matching lines @@
 
 bool Context::has_extension() { return !extension()->IsTheHole(GetIsolate()); }
 HeapObject* Context::extension() {
   return HeapObject::cast(get(EXTENSION_INDEX));
 }
 void Context::set_extension(HeapObject* object) {
   set(EXTENSION_INDEX, object);
 }
 
 
-JSModule* Context::module() { return JSModule::cast(get(EXTENSION_INDEX)); }
-void Context::set_module(JSModule* module) { set(EXTENSION_INDEX, module); }
-
-
 Context* Context::native_context() {
   Object* result = get(NATIVE_CONTEXT_INDEX);
   DCHECK(IsBootstrappingOrNativeContext(this->GetIsolate(), result));
   return reinterpret_cast<Context*>(result);
 }
 
 
 void Context::set_native_context(Context* context) {
   set(NATIVE_CONTEXT_INDEX, context);
 }
@@ skipping 65 matching lines @@
     return type::cast(get(index));                        \
   }
 NATIVE_CONTEXT_FIELDS(NATIVE_CONTEXT_FIELD_ACCESSORS)
 #undef NATIVE_CONTEXT_FIELD_ACCESSORS
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CONTEXTS_INL_H_