Rip out most of our outdated modules implementation.

src/ast/ast-expression-rewriter.cc

 // 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.
 
 #include "src/ast/ast.h"
 #include "src/ast/ast-expression-rewriter.h"
 
 namespace v8 {
 namespace internal {
 
@@ skipping 52 matching lines @@
   AST_REWRITE_PROPERTY(FunctionLiteral, node, fun);
 }
 
 
 void AstExpressionRewriter::VisitImportDeclaration(ImportDeclaration* node) {
   // Not visiting `proxy_`.
   NOTHING();
 }
 
 
-void AstExpressionRewriter::VisitExportDeclaration(ExportDeclaration* node) {
-  // Not visiting `proxy_`.
-  NOTHING();
-}
-
-
 void AstExpressionRewriter::VisitBlock(Block* node) {
   VisitStatements(node->statements());
 }
 
 
 void AstExpressionRewriter::VisitExpressionStatement(
     ExpressionStatement* node) {
   AST_REWRITE_PROPERTY(Expression, node, expression);
 }
 
@@ skipping 309 matching lines @@
 
 void AstExpressionRewriter::VisitRewritableExpression(
     RewritableExpression* node) {
   REWRITE_THIS(node);
   AST_REWRITE(Expression, node->expression(), node->Rewrite(replacement));
 }
 
 
 }  // namespace internal
 }  // namespace v8