[Bookmark suggestions] Remove an obsolete pref entry

chrome/browser/prefs/browser_prefs.cc

Index: chrome/browser/prefs/browser_prefs.cc
diff --git a/chrome/browser/prefs/browser_prefs.cc b/chrome/browser/prefs/browser_prefs.cc
index 07c5c4a92238a2f474ec773087d11790afb5b197..5422eb74c90717acb2952c59b567313aa0090b5b 100644
--- a/chrome/browser/prefs/browser_prefs.cc
+++ b/chrome/browser/prefs/browser_prefs.cc
@@ -79,7 +79,6 @@
 #include "components/gcm_driver/gcm_channel_status_syncer.h"
 #include "components/metrics/metrics_service.h"
 #include "components/network_time/network_time_tracker.h"
-#include "components/ntp_snippets/bookmarks/bookmark_suggestions_provider.h"
 #include "components/ntp_snippets/content_suggestions_service.h"
 #include "components/ntp_snippets/remote/remote_suggestions_provider_impl.h"
 #include "components/ntp_snippets/remote/remote_suggestions_scheduler_impl.h"
@@ -491,7 +490,6 @@ void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
   MediaStreamDevicesController::RegisterProfilePrefs(registry);
   NetHttpSessionParamsObserver::RegisterProfilePrefs(registry);
   NotifierStateTracker::RegisterProfilePrefs(registry);
-  ntp_snippets::BookmarkSuggestionsProvider::RegisterProfilePrefs(registry);
   ntp_snippets::ContentSuggestionsService::RegisterProfilePrefs(registry);
   ntp_snippets::ForeignSessionsSuggestionsProvider::RegisterProfilePrefs(
       registry);