Remove all .gyp and .gypi files.

third_party/modp_b64/modp_b64_nacl.gyp

Index: third_party/modp_b64/modp_b64_nacl.gyp
diff --git a/third_party/modp_b64/modp_b64_nacl.gyp b/third_party/modp_b64/modp_b64_nacl.gyp
deleted file mode 100644
index e2f4a25424a180b0e7a0387afa32c483f46c90e3..0000000000000000000000000000000000000000
--- a/third_party/modp_b64/modp_b64_nacl.gyp
+++ /dev/null
@@ -1,26 +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': 'modp_b64_nacl',
-      'type': 'none',
-      'variables': {
-        'nlib_target': 'libmodp_b64_nacl.a',
-        'build_glibc': 0,
-        'build_newlib': 1,
-        'build_pnacl_newlib': 1,
-      },
-      'sources': [
-        'modp_b64.cc',
-        'modp_b64.h',
-        'modp_b64_data.h',
-      ],
-    },
-  ],
-}