Remove cloud policy refresh rate limit.

components/policy/core/common/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")
 
 source_set("common") {
   defines = [ "POLICY_COMPONENT_IMPLEMENTATION" ]
 
   if (enable_configuration_policy) {
@@ skipping 29 matching lines @@
       "cloud/enterprise_metrics.cc",
       "cloud/enterprise_metrics.h",
       "cloud/external_policy_data_fetcher.cc",
       "cloud/external_policy_data_fetcher.h",
       "cloud/external_policy_data_updater.cc",
       "cloud/external_policy_data_updater.h",
       "cloud/policy_header_io_helper.cc",
       "cloud/policy_header_io_helper.h",
       "cloud/policy_header_service.cc",
       "cloud/policy_header_service.h",
-      "cloud/rate_limiter.cc",
-      "cloud/rate_limiter.h",
       "cloud/resource_cache.cc",
       "cloud/resource_cache.h",
       "cloud/system_policy_request_context.cc",
       "cloud/system_policy_request_context.h",
       "cloud/user_cloud_policy_manager.cc",
       "cloud/user_cloud_policy_manager.h",
       "cloud/user_cloud_policy_store.cc",
       "cloud/user_cloud_policy_store.h",
       "cloud/user_cloud_policy_store_base.cc",
       "cloud/user_cloud_policy_store_base.h",
@@ skipping 130 matching lines @@
       "policy_service.cc",
       "policy_service.h",
       "policy_service_stub.cc",
       "policy_service_stub.h",
     ]
     deps = [
       "//base",
     ]
   }
 }