headless: Remove deprecated DevTools domain bindings

headless/lib/browser/devtools_api/deprecated_types_h.template

Index: headless/lib/browser/devtools_api/deprecated_types_h.template
diff --git a/headless/lib/browser/devtools_api/deprecated_types_h.template b/headless/lib/browser/devtools_api/deprecated_types_h.template
deleted file mode 100644
index 85b5379c5bf724b74d6da488528345bb36ed4ca0..0000000000000000000000000000000000000000
--- a/headless/lib/browser/devtools_api/deprecated_types_h.template
+++ /dev/null
@@ -1,14 +0,0 @@
-// This file is generated
-
-// Copyright 2016 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.
-
-#ifndef HEADLESS_PUBLIC_DOMAINS_TYPES_H_
-#define HEADLESS_PUBLIC_DOMAINS_TYPES_H_
-
-{% for domain in api.domains %}
-#include "headless/public/devtools/domains/types_{{domain.domain | camelcase_to_hacker_style}}.h"
-{% endfor %}
-
-#endif  // HEADLESS_PUBLIC_DOMAINS_TYPES_H_