Remove src/trusted/manifest_name_service_proxy/ (old open_resource() impl)

src/trusted/manifest_name_service_proxy/manifest_name_service_proxy.gyp

-# -*- python -*-
-# Copyright 2011 (c) The Native Client Authors. All rights reserved.  Use
-# of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-{
-  'includes': [
-    '../../../build/common.gypi',
-  ],
-  'target_defaults': {
-    'variables':{
-      'target_base': 'none',
-    },
-    'target_conditions': [
-      ['target_base=="manifest_proxy"', {
-        'sources': [
-          'manifest_proxy.h',
-          'manifest_proxy.c',
-        ],
-        'xcode_settings': {
-          'WARNING_CFLAGS': [
-            '-Wno-missing-field-initializers'
-          ]
-        },
-      },
-    ]],
-  },
-  'conditions': [
-    ['OS=="win" and target_arch=="ia32"', {
-      'targets': [
-        {
-          'target_name': 'manifest_proxy64',
-          'type': 'static_library',
-          'variables': {
-            'target_base': 'manifest_proxy',
-            'win_target': 'x64',
-          },
-          'dependencies': [
-            '<(DEPTH)/native_client/src/shared/platform/platform.gyp:platform64',
-            '<(DEPTH)/native_client/src/shared/srpc/srpc.gyp:nonnacl_srpc64',
-            '<(DEPTH)/native_client/src/trusted/threading/threading.gyp:thread_interface64',
-            '<(DEPTH)/native_client/src/trusted/desc/desc.gyp:nrd_xfer64',
-            '<(DEPTH)/native_client/src/trusted/nacl_base/nacl_base.gyp:nacl_base64',
-          ],
-        },
-      ],
-    }],
-  ],
-  'targets': [
-    {
-      'target_name': 'manifest_proxy',
-      'type': 'static_library',
-      'variables': {
-        'target_base': 'manifest_proxy',
-      },
-      'dependencies': [
-        '<(DEPTH)/native_client/src/shared/platform/platform.gyp:platform',
-        '<(DEPTH)/native_client/src/shared/srpc/srpc.gyp:nonnacl_srpc',
-        '<(DEPTH)/native_client/src/trusted/threading/threading.gyp:thread_interface',
-        '<(DEPTH)/native_client/src/trusted/desc/desc.gyp:nrd_xfer',
-        '<(DEPTH)/native_client/src/trusted/nacl_base/nacl_base.gyp:nacl_base',
-      ],
-    },
-  ],
-}