Remove GYP files.

third_party/protobuf/protobuf_nacl.gyp

Index: third_party/protobuf/protobuf_nacl.gyp
diff --git a/third_party/protobuf/protobuf_nacl.gyp b/third_party/protobuf/protobuf_nacl.gyp
deleted file mode 100644
index 4b63e5c10a9202f71a7701cfb88f1b056f3ecd8c..0000000000000000000000000000000000000000
--- a/third_party/protobuf/protobuf_nacl.gyp
+++ /dev/null
@@ -1,25 +0,0 @@
-# Copyright 2014 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.
-
-{
-  'includes': [
-    '../../native_client/build/untrusted.gypi',
-  ],
-  'targets': [
-    {
-      'target_name': 'protobuf_lite_nacl',
-      'type': 'none',
-      'variables': {
-        'nacl_untrusted_build': 1,
-        'nlib_target': 'libprotobuf_lite_nacl.a',
-        'build_glibc': 0,
-        'build_newlib': 0,
-        'build_pnacl_newlib': 1,
-      },
-      'includes': [
-        'protobuf_lite.gypi',
-      ],
-    },
-  ]
-}