Remove GYP files.

base/third_party/dynamic_annotations/dynamic_annotations.gyp

-# Copyright (c) 2011 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': 'dynamic_annotations',
-      'type': 'static_library',
-      'toolsets': ['host', 'target'],
-      'include_dirs': [
-        '../../../',
-      ],
-      'sources': [
-        '../valgrind/valgrind.h',
-        'dynamic_annotations.c',
-        'dynamic_annotations.h',
-      ],
-      'includes': [
-        '../../../build/android/increase_size_for_speed.gypi',
-      ],
-    },
-  ],
-  'conditions': [
-    ['OS == "win" and target_arch=="ia32"', {
-      'targets': [
-        {
-          'target_name': 'dynamic_annotations_win64',
-          'type': 'static_library',
-          # We can't use dynamic_annotations target for win64 build since it is
-          # a 32-bit library.
-          # TODO(gregoryd): merge with dynamic_annotations when
-          # the win32/64 targets are merged.
-          'include_dirs': [
-              '../../../',
-          ],
-          'sources': [
-            'dynamic_annotations.c',
-            'dynamic_annotations.h',
-          ],
-          'configurations': {
-            'Common_Base': {
-              'msvs_target_platform': 'x64',
-            },
-          },
-        },
-      ],
-    }],
-  ],
-}