[cleanup] Remove unused PreParser factory method

src/parsing/preparser.h

 // Copyright 2012 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.
 
 #ifndef V8_PARSING_PREPARSER_H
 #define V8_PARSING_PREPARSER_H
 
 #include "src/ast/scopes.h"
 #include "src/parsing/parser-base.h"
 
@@ skipping 454 matching lines @@
   PreParserExpression NewNumberLiteral(double number,
                                        int pos) {
     return PreParserExpression::Default();
   }
   PreParserExpression NewRegExpLiteral(PreParserIdentifier js_pattern,
                                        int js_flags, int literal_index,
                                        int pos) {
     return PreParserExpression::Default();
   }
   PreParserExpression NewArrayLiteral(PreParserExpressionList values,
-                                      int literal_index,
-                                      int pos) {
-    return PreParserExpression::ArrayLiteral();
-  }
-  PreParserExpression NewArrayLiteral(PreParserExpressionList values,
                                       int first_spread_index, int literal_index,
                                       int pos) {
     return PreParserExpression::ArrayLiteral();
   }
   PreParserExpression NewClassLiteralProperty(PreParserExpression key,
                                               PreParserExpression value,
                                               ClassLiteralProperty::Kind kind,
                                               bool is_static,
                                               bool is_computed_name) {
     return PreParserExpression::Default();
@@ skipping 798 matching lines @@
     function_state_->NextMaterializedLiteralIndex();
     function_state_->NextMaterializedLiteralIndex();
   }
   return EmptyExpression();
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PARSING_PREPARSER_H