Remove unused Module-related AST nodes and associated codegen

src/arm64/full-codegen-arm64.cc

Index: src/arm64/full-codegen-arm64.cc
diff --git a/src/arm64/full-codegen-arm64.cc b/src/arm64/full-codegen-arm64.cc
index 80013e4b8ebef4dc30e9c3814b2562fc86d9a190..d1ee80e54a56a7e838387a7674c5cef3fc141681 100644
--- a/src/arm64/full-codegen-arm64.cc
+++ b/src/arm64/full-codegen-arm64.cc
@@ -958,38 +958,6 @@ void FullCodeGenerator::VisitFunctionDeclaration(
 }
 
 
-void FullCodeGenerator::VisitModuleDeclaration(ModuleDeclaration* declaration) {
-  Variable* variable = declaration->proxy()->var();
-  ModuleDescriptor* descriptor = declaration->module()->descriptor();
-  DCHECK(variable->location() == Variable::CONTEXT);
-  DCHECK(descriptor->IsFrozen());
-
-  Comment cmnt(masm_, "[ ModuleDeclaration");
-  EmitDebugCheckDeclarationContext(variable);
-
-  // Load instance object.
-  __ LoadContext(x1, scope_->ContextChainLength(scope_->ScriptScope()));
-  __ Ldr(x1, ContextMemOperand(x1, descriptor->Index()));
-  __ Ldr(x1, ContextMemOperand(x1, Context::EXTENSION_INDEX));
-
-  // Assign it.
-  __ Str(x1, ContextMemOperand(cp, variable->index()));
-  // We know that we have written a module, which is not a smi.
-  __ RecordWriteContextSlot(cp,
-                            Context::SlotOffset(variable->index()),
-                            x1,
-                            x3,
-                            kLRHasBeenSaved,
-                            kDontSaveFPRegs,
-                            EMIT_REMEMBERED_SET,
-                            OMIT_SMI_CHECK);
-  PrepareForBailoutForId(declaration->proxy()->id(), NO_REGISTERS);
-
-  // Traverse info body.
-  Visit(declaration->module());
-}
-
-
 void FullCodeGenerator::VisitImportDeclaration(ImportDeclaration* declaration) {
   VariableProxy* proxy = declaration->proxy();
   Variable* variable = proxy->var();