Closure: remove older, original GYP compilation system

third_party/closure_compiler/compiled_resources.gyp

-# 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.
-#
-# H   H EEEEE Y   Y !!
-# H   H E      Y Y  !!  compiled_resources.gyp IS DEPRECATED
-# HHHHH EEEEE   Y   !!
-# H   H E       Y        USE compiled_resources2.gyp INSTEAD
-# H   H EEEEE   Y   !!
-#
-# Add your directory-specific .gyp file to this list for it to be continuously
-# typechecked on the builder:
-# http://build.chromium.org/p/chromium.fyi/builders/Closure%20Compilation%20Linux
-#
-# Also, see our guide to Closure compilation in chrome:
-# https://chromium.googlesource.com/chromium/src/+/master/docs/closure_compilation.md
-{
-  'targets': [
-    {
-      'target_name': 'compiled_resources',
-      'type': 'none',
-      'dependencies': [
-      ],
-    },
-  ]
-}