[Ozone-DRI] Remove unneeded wrappers

ui/ozone/platform/dri/gbm.gypi

 # 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.
 
 {
   'variables': {
     'internal_ozone_platform_deps': [
       'ozone_platform_gbm',
     ],
     'internal_ozone_platforms': [
@@ skipping 21 matching lines @@
         'chromeos/display_message_handler.cc',
         'chromeos/display_message_handler.h',
         'chromeos/native_display_delegate_proxy.cc',
         'chromeos/native_display_delegate_proxy.h',
         'gbm_buffer.cc',
         'gbm_buffer.h',
         'gbm_buffer_base.cc',
         'gbm_buffer_base.h',
         'gbm_surface.cc',
         'gbm_surface.h',
+        'gbm_surfaceless.cc',
+        'gbm_surfaceless.h',
         'gbm_surface_factory.cc',
         'gbm_surface_factory.h',
         'gpu_platform_support_gbm.cc',
         'gpu_platform_support_gbm.h',
         'gpu_platform_support_host_gbm.cc',
         'gpu_platform_support_host_gbm.h',
         'ozone_platform_gbm.cc',
         'ozone_platform_gbm.h',
       ],
     },
   ],
 }