Remove remainder of Athena related code from Chrome

chrome/chrome_repack_chrome_100_percent.gypi

 # Copyright (c) 2012 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.
 {
   # GN version: //chrome:repack_chrome_100_percent
   'action_name': 'repack_chrome_resources_100_percent',
   'variables': {
     'pak_inputs': [
       '<(SHARED_INTERMEDIATE_DIR)/components/components_resources_100_percent.pak',
       '<(SHARED_INTERMEDIATE_DIR)/ui/resources/ui_resources_100_percent.pak',
       '<(grit_out_dir)/renderer_resources_100_percent.pak',
       '<(grit_out_dir)/theme_resources_100_percent.pak',
     ],
     'pak_output': '<(SHARED_INTERMEDIATE_DIR)/repack/chrome_100_percent.pak',
     'conditions': [
       ['OS != "ios"', {
         'pak_inputs': [
           '<(SHARED_INTERMEDIATE_DIR)/content/app/resources/content_resources_100_percent.pak',
         ],
       }],
       ['use_ash==1', {
         'pak_inputs': [
           '<(SHARED_INTERMEDIATE_DIR)/ash/resources/ash_resources_100_percent.pak',
         ],
       }],
-      ['use_athena==1', {
-        'pak_inputs': [
-          '<(SHARED_INTERMEDIATE_DIR)/athena/resources/athena_resources_100_percent.pak',
-        ],
-      }],
       ['chromeos==1', {
         'pak_inputs': [
           '<(SHARED_INTERMEDIATE_DIR)/ui/chromeos/resources/ui_chromeos_resources_100_percent.pak',
         ],
       }],
       ['enable_extensions==1', {
         'pak_inputs': [
           '<(SHARED_INTERMEDIATE_DIR)/extensions/extensions_browser_resources_100_percent.pak',
         ],
       }],
     ],
   },
   'includes': [ '../build/repack_action.gypi' ],
 }