Remove third_party/npapi

third_party/npapi/npapi.gyp

-# Copyright (c) 2009 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.
-
-{
-  'targets': [
-    {
-      'target_name': 'npapi',
-      'type': 'none',
-      'direct_dependent_settings': {
-        'include_dirs': [
-          # Some things #include "bindings/npapi.h" and others just #include
-          # "npapi.h".  Account for both flavors.
-          '.',
-          'bindings',
-        ],
-      },
-      # Even though these are just headers and aren't compiled, adding them to
-      # the project makes it possible to open them in various IDEs.
-      'sources': [
-        'bindings/npapi.h',
-        'bindings/npapi_extensions.h',
-        'bindings/npfunctions.h',
-        'bindings/nphostapi.h',
-        'bindings/nptypes.h',
-        'bindings/npruntime.h',
-      ],
-      'conditions': [
-        ['use_x11 == 1', {
-          'sources': [
-            'bindings/npapi_x11.h',
-          ],
-        }],
-      ],
-    },
-  ],
-}