Removed product_dir override in runtime/dart-runtime.gyp

runtime/dart-runtime.gyp

 # Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 {
   'includes': [
     'tools/gyp/runtime-configurations.gypi',
     'vm/vm.gypi',
     'bin/bin.gypi',
     'third_party/double-conversion/src/double-conversion.gypi',
@@ skipping 80 matching lines @@
             '--input', '<(version_in_cc_file)',
           ],
         },
       ],
     },
     {
       'target_name': 'libdart_dependency_helper',
       'type': 'executable',
       'toolsets':['target','host'],
       # The dependencies here are the union of the dependencies of libdart and
-      # libdart_withcore. 
+      # libdart_withcore.
       'dependencies': [
         'libdart_lib_withcore',
         'libdart_lib',
         'libdart_vm',
         'libjscre',
         'libdouble_conversion',
       ],
       'sources': [
         'vm/libdart_dependency_helper.cc',
       ],
-      'product_dir':'<(PRODUCT_DIR)/<(_toolset)'
     },
     {
       'target_name': 'runtime_packages',
       'type': 'none',
       'dependencies': [
         '../pkg/pkg.gyp:pkg_packages',
       ],
     },
   ],
 }