[modules] Turn JSModule into Module.

src/heap/heap.cc

Index: src/heap/heap.cc
diff --git a/src/heap/heap.cc b/src/heap/heap.cc
index 6c1fcc1bd75b4c803c0d49242ee829f8f7e43512..f5e043c93c71e2182d8c6ba881fb9332e26ce8a0 100644
--- a/src/heap/heap.cc
+++ b/src/heap/heap.cc
@@ -2302,7 +2302,6 @@ bool Heap::CreateInitialMaps() {
     ALLOCATE_VARSIZE_MAP(FIXED_ARRAY_TYPE, scope_info)
     ALLOCATE_VARSIZE_MAP(FIXED_ARRAY_TYPE, module_info_entry)
     ALLOCATE_VARSIZE_MAP(FIXED_ARRAY_TYPE, module_info)
-    ALLOCATE_MAP(JS_MODULE_TYPE, JSModule::kSize, js_module)
     ALLOCATE_PRIMITIVE_MAP(HEAP_NUMBER_TYPE, HeapNumber::kSize, heap_number,
                            Context::NUMBER_FUNCTION_INDEX)
     ALLOCATE_MAP(MUTABLE_HEAP_NUMBER_TYPE, HeapNumber::kSize,
@@ -2508,7 +2507,6 @@ AllocationResult Heap::AllocateCell(Object* value) {
   return result;
 }
 
-
 AllocationResult Heap::AllocatePropertyCell() {
   int size = PropertyCell::kSize;
   STATIC_ASSERT(PropertyCell::kSize <= kMaxRegularHeapObjectSize);