Remove the old package manager

mojo/shell/query_util.h

-// Copyright 2015 The Chromium 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 MOJO_SHELL_QUERY_UTIL_H_
-#define MOJO_SHELL_QUERY_UTIL_H_
-
-#include <utility>
-
-#include "url/gurl.h"
-
-namespace mojo {
-namespace shell {
-
-// Returns the base URL (without the query string). If |query| is not nullptr,
-// set |*query| to the query string.  If the url doesn't have a query string,
-// |*query| is set to the empty string.
-GURL GetBaseURLAndQuery(const GURL& url, std::string* query);
-
-}  // namespace shell
-}  // namespace mojo
-
-#endif  // MOJO_SHELL_QUERY_UTIL_H_