Remove some unused code that fails to compile with -Wundef

src/trusted/service_runtime/service_runtime.gyp

 # -*- gyp -*-
 # Copyright (c) 2012 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.
 
 {
   'variables': {
     'conditions': [
       ['OS=="linux"', {
         'syscall_handler': [
@@ skipping 246 matching lines @@
           ],
         }],
       ],
     }, {
       'target_name': 'container',
       'type': 'static_library',
       'sources': [
         'generic_container/container.c',
       ],
     }, {
-      'target_name': 'nacl_xdr',
-      'type': 'static_library',
-      'sources': [
-        'fs/xdr.c',
-        'fs/obj_proxy.c',
-      ],
-    }, {
       'target_name': 'nacl_error_code',
       'type': 'static_library',
       'sources': [
         'nacl_error_code.c',
       ],
     }, {
       'target_name': 'env_cleanser',
       'type': 'static_library',
       'sources': [
         'env_cleanser.c',
@@ skipping 66 matching lines @@
           ],
         }, {
           'target_name': 'container64',
           'type': 'static_library',
           'variables': {
             'win_target': 'x64',
           },
           'sources': [
             'generic_container/container.c',
           ],
-        }, {
-          'target_name': 'nacl_xdr64',
-          'type': 'static_library',
-          'variables': {
-            'win_target': 'x64',
-          },
-          'sources': [
-            'fs/xdr.c',
-            'fs/obj_proxy.c',
-          ],
         },
         {
           'target_name': 'nacl_error_code64',
           'type': 'static_library',
           'variables': {
             'win_target': 'x64',
           },
           'sources': [
             'nacl_error_code.c',
           ],
@@ skipping 38 matching lines @@
             '<(DEPTH)/native_client/src/trusted/platform_qualify/platform_qualify.gyp:platform_qual_lib64',
           ],
           'sources': [
             'sel_main_chrome_test.c',
           ],
         },
       ],
     }],
   ]
 }