Clean up FunctionLiteral AST node cruft

src/parsing/preparser.h

Index: src/parsing/preparser.h
diff --git a/src/parsing/preparser.h b/src/parsing/preparser.h
index 9253ad5e518f93b9cfc08393a475912eb6377e85..6b36a8f112a3c98259780f1123ceb58089e18f4f 100644
--- a/src/parsing/preparser.h
+++ b/src/parsing/preparser.h
@@ -527,12 +527,11 @@ class PreParserFactory {
     return PreParserStatement::Default();
   }
   PreParserExpression NewFunctionLiteral(
-      PreParserIdentifier name, AstValueFactory* ast_value_factory,
-      Scope* scope, PreParserStatementList body, int materialized_literal_count,
-      int expected_property_count, int parameter_count,
+      PreParserIdentifier name, Scope* scope, PreParserStatementList body,
+      int materialized_literal_count, int expected_property_count,
+      int parameter_count,
       FunctionLiteral::ParameterFlag has_duplicate_parameters,
       FunctionLiteral::FunctionType function_type,
-      FunctionLiteral::IsFunctionFlag is_function,
       FunctionLiteral::EagerCompileHint eager_compile_hint, FunctionKind kind,
       int position) {
     return PreParserExpression::Default();