[regexp] Remove unused InternalPackedArray

src/js/regexp.js

 // 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.
 
 (function(global, utils) {
 
 'use strict';
 
 %CheckIsBootstrapping();
 
 // -------------------------------------------------------------------
 // Imports
 
 var GlobalArray = global.Array;
 var GlobalObject = global.Object;
 var GlobalRegExp = global.RegExp;
 var GlobalRegExpPrototype = GlobalRegExp.prototype;
 var InternalArray = utils.InternalArray;
-var InternalPackedArray = utils.InternalPackedArray;
 var MaxSimple;
 var MinSimple;
 var RegExpExecJS = GlobalRegExp.prototype.exec;
 var matchSymbol = utils.ImportNow("match_symbol");
 var replaceSymbol = utils.ImportNow("replace_symbol");
 var searchSymbol = utils.ImportNow("search_symbol");
 var speciesSymbol = utils.ImportNow("species_symbol");
 var splitSymbol = utils.ImportNow("split_symbol");
 var SpeciesConstructor;
 
@@ skipping 792 matching lines @@
   to.GetSubstitution = GetSubstitution;
   to.InternalRegExpMatch = InternalRegExpMatch;
   to.InternalRegExpReplace = InternalRegExpReplace;
   to.IsRegExp = IsRegExp;
   to.RegExpExec = DoRegExpExec;
   to.RegExpInitialize = RegExpInitialize;
   to.RegExpLastMatchInfo = RegExpLastMatchInfo;
 });
 
 })