Remove geo_bulk_notify_worker_cron

GitLab Geo v10.0 no longer uses system hooks to notify secondary
nodes.

See gitlab-org/gitlab-ee!2644

files/gitlab-config-template/gitlab.rb.template

@@ -1373,7 +1373,6 @@ external_url 'GENERATED_EXTERNAL_URL'
 ## Auxiliary cron jobs applicable to GitLab EE only
 ################################################################################
 #
-# gitlab_rails['geo_bulk_notify_worker_cron'] = "*/10 * * * * *"
 # gitlab_rails['geo_file_download_dispatch_worker_cron'] = "*/10 * * * *"
 # gitlab_rails['geo_repository_sync_worker_cron'] = "*/5 * * * *"
 # gitlab_rails['ldap_sync_worker_cron'] = "30 1 * * *"

files/gitlab-cookbooks/gitlab/attributes/default.rb

@@ -113,7 +113,6 @@ default['gitlab']['gitlab-rails']['repository_archive_cache_worker_cron'] = nil
 default['gitlab']['gitlab-rails']['historical_data_worker_cron'] = nil
 default['gitlab']['gitlab-rails']['ldap_sync_worker_cron'] = nil
 default['gitlab']['gitlab-rails']['ldap_group_sync_worker_cron'] = nil
-default['gitlab']['gitlab-rails']['geo_bulk_notify_worker_cron'] = nil
 default['gitlab']['gitlab-rails']['geo_file_download_dispatch_worker_cron'] = nil
 default['gitlab']['gitlab-rails']['geo_repository_sync_worker_cron'] = nil
 default['gitlab']['gitlab-rails']['incoming_email_enabled'] = false

files/gitlab-cookbooks/gitlab/templates/default/gitlab.yml.erb

@@ -214,13 +214,6 @@ production: &base
       cron: "<%= @ldap_group_sync_worker_cron %>"
     <% end %>
 
-    # Gitlab Geo nodes notification worker
-    # NOTE: This will only take effect if Geo is enabled
-    <% unless @geo_bulk_notify_worker_cron.nil? %>
-    geo_bulk_notify_worker:
-      cron: "<%= @geo_bulk_notify_worker_cron %>"
-    <% end %>
-
     # GitLab Geo repository sync worker
     # NOTE: This will only take effect if Geo is enabled
     <% unless @geo_repository_sync_worker_cron.nil? %>