Omit page counts in admin audit logs

For large installations, the counting of all admin logs
can timeout. We should omit them.

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/62481

ee/app/views/admin/audit_logs/index.html.haml

@@ -53,4 +53,4 @@
             %td= event.target
             %td= event.ip_address
             %td= event.date
-    = paginate @events, theme: 'gitlab'
+    = paginate_without_count @events

ee/changelogs/unreleased/sh-omit-counts-admin-audit-logs.yml

+---
+title: Omit page counts in admin audit logs
+merge_request: 1306
+author:
+type: performance