Remove unused header from save_card_bubble_views_browsertest.cc

This CL removes stale header include fake_account_fetcher_service.h
from save_card_bubble_views_browsertest.cc.

Bug: 929701
Change-Id: I3019e31567f354292c4180e89a15af54eb1fbd61
Reviewed-on: https://chromium-review.googlesource.com/c/1458405Reviewed-by: Colin Blundell <blundell@chromium.org>
Reviewed-by: Evan Stade <estade@chromium.org>
Commit-Queue: Abhijeet Kandalkar <abhijeet@igalia.com>
Cr-Commit-Position: refs/heads/master@{#630628}

chrome/browser/ui/views/autofill/save_card_bubble_views_browsertest.cc

@@ -44,7 +44,6 @@
 #include "components/browser_sync/profile_sync_service.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
 #include "components/network_session_configurator/common/network_switches.h"
-#include "components/signin/core/browser/fake_account_fetcher_service.h"
 #include "components/signin/core/browser/signin_buildflags.h"
 #include "components/sync/test/fake_server/fake_server.h"
 #include "components/sync/test/fake_server/fake_server_network_resources.h"