Revert of Add seccomp sandbox for non-SFI NaCl

sandbox/linux/sandbox_linux.gypi

 # Copyright (c) 2012 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.
 
 {
   'variables': {
     'conditions': [
       ['OS=="linux"', {
         'compile_suid_client': 1,
         'compile_credentials': 1,
@@ skipping 39 matching lines @@
         # Compile seccomp BPF when we support it.
         [ 'use_seccomp_bpf==1', {
           'dependencies': [
             'seccomp_bpf',
             'seccomp_bpf_helpers',
           ],
         }],
       ],
     },
     {
-      'target_name': 'sandbox_linux_test_utils',
-      'type': 'static_library',
-      'dependencies': [
-        '../testing/gtest.gyp:gtest',
-      ],
-      'include_dirs': [
-        '../..',
-      ],
-      'sources': [
-        'tests/test_utils.cc',
-        'tests/test_utils.h',
-        'tests/unit_tests.cc',
-        'tests/unit_tests.h',
-      ],
-    },
-    {
       # The main sandboxing test target.
       'target_name': 'sandbox_linux_unittests',
       'includes': [
         'sandbox_linux_test_sources.gypi',
       ],
       'type': 'executable',
     },
     {
       # This target is the shared library used by Android APK (i.e.
       # JNI-friendly) tests.
@@ skipping 231 matching lines @@
         },
         'dependencies': [
           'sandbox_linux_jni_unittests',
         ],
         'includes': [ '../../build/apk_test.gypi' ],
         }
       ],
     }],
   ],
 }