Mojo C++ bindings: remove the utility/ folder.

mojo/mojo_base.gyp

 # Copyright 2014 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.
 
 # Essential components (and their tests) that are needed to build
 # Chrome should be here.  Other components that are useful only in
 # Mojo land like mojo_shell should be in mojo.gyp.
 {
   'includes': [
     'mojo_variables.gypi',
@@ skipping 194 matching lines @@
     },
     {
       # GN version: //mojo/shell/public/cpp/tests
       'target_name': 'mojo_public_application_unittests',
       'type': 'executable',
       'dependencies': [
         '../base/base.gyp:base',
         '../testing/gtest.gyp:gtest',
         'mojo_application_base',
         'mojo_edk.gyp:mojo_run_all_unittests',
-        'mojo_public.gyp:mojo_utility',
       ],
       'sources': [
         'shell/public/cpp/tests/interface_registry_unittest.cc',
       ],
     },
     {
       # Technically, these should be in the mojo_services.gyp, but this causes
       # a cycle since the ios generator can't have gyp files refer to each
       # other, even if the targets don't form a cycle.
       #
@@ skipping 104 matching lines @@
             '../build/isolate.gypi',
           ],
           'sources': [
             'mojo_common_unittests.isolate',
           ],
         },
       ],
     }],
   ]
 }