Delete gyp files from media/

media/cdm/ppapi/BUILD.gn

 # 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.
 
 import("//build/config/features.gni")
 import("//chrome/version.gni")  # TODO layering violation!
 import("//media/cdm/ppapi/cdm_paths.gni")
 import("//media/cdm/ppapi/ppapi_cdm_adapter.gni")
 import("//media/media_options.gni")
 
-# The GYP version supports build flags "use_fake_video_decoder" and
-# "use_vpx". These should be added here if necessary but its not clear if
-# they are required any more.
 shared_library("clearkeycdm") {
   output_dir = "$root_out_dir/$clearkey_cdm_path"
   sources = [
     "cdm_file_io_test.cc",
     "cdm_file_io_test.h",
     "external_clear_key/cdm_video_decoder.cc",
     "external_clear_key/cdm_video_decoder.h",
     "external_clear_key/clear_key_cdm.cc",
     "external_clear_key/clear_key_cdm.h",
     "external_clear_key/clear_key_cdm_common.h",
@@ skipping 45 matching lines @@
   # Check whether the plugin's origin URL is valid.
   defines = [ "CHECK_DOCUMENT_URL" ]
   deps = [
     ":clearkeycdm",
     ":clearkeycdmadapter_resources",
     "//base",  # Required for the allocator implementation.
     "//media:shared_memory_support",
     "//ui/gfx/geometry",
   ]
 }