Refactor query for Jira service records

lib/gitlab/usage_data.rb

@@ -369,10 +369,7 @@ module Gitlab
           projects_jira_active: 0
         }
 
-        Service.active
-          .by_type(:JiraService)
-          .includes(:jira_tracker_data)
-          .find_in_batches(batch_size: BATCH_SIZE) do |services|
+        JiraService.active.includes(:jira_tracker_data).find_in_batches(batch_size: BATCH_SIZE) do |services|
           counts = services.group_by do |service|
             # TODO: Simplify as part of https://gitlab.com/gitlab-org/gitlab/issues/29404
             service_url = service.data_fields&.url || (service.properties && service.properties['url'])