Rip out most of our outdated modules implementation.

src/compiler/js-generic-lowering.cc

 // Copyright 2014 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.
 
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/compiler/common-operator.h"
 #include "src/compiler/js-generic-lowering.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/machine-operator.h"
@@ skipping 34 matching lines @@
       // Nothing to see.
       return NoChange();
   }
   return Changed(node);
 }
 #define REPLACE_RUNTIME_CALL(op, fun)             \
   void JSGenericLowering::Lower##op(Node* node) { \
     ReplaceWithRuntimeCall(node, fun);            \
   }
 REPLACE_RUNTIME_CALL(JSCreateWithContext, Runtime::kPushWithContext)
-REPLACE_RUNTIME_CALL(JSCreateModuleContext, Runtime::kPushModuleContext)
 REPLACE_RUNTIME_CALL(JSConvertReceiver, Runtime::kConvertReceiver)
 #undef REPLACE_RUNTIME_CALL
 
 #define REPLACE_STUB_CALL(Name)                                   \
   void JSGenericLowering::LowerJS##Name(Node* node) {             \
     CallDescriptor::Flags flags = AdjustFrameStatesForCall(node); \
     Callable callable = CodeFactory::Name(isolate());             \
     ReplaceWithStubCall(node, callable, flags);                   \
   }
 REPLACE_STUB_CALL(Add)
@@ skipping 673 matching lines @@
 }
 
 
 MachineOperatorBuilder* JSGenericLowering::machine() const {
   return jsgraph()->machine();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8