Remove bootstrap class in licensed user count

- remove alert-primary class because gl-alert-info already is
  appended

ee/app/views/layouts/header/_licensed_user_count_threshold.html.haml

 - return unless show_active_user_count_threshold_banner?
 .container-fluid.container-limited.pt-3
-  .gl-alert.gl-alert-info.gitlab-ee-license-banner.alert-primary.js-admin-licensed-user-count-threshold{ role: 'alert', data: { feature_id: UserCalloutsHelper::ACTIVE_USER_COUNT_THRESHOLD, dismiss_endpoint: user_callouts_path } }
+  .gl-alert.gl-alert-info.gitlab-ee-license-banner.js-admin-licensed-user-count-threshold{ role: 'alert', data: { feature_id: UserCalloutsHelper::ACTIVE_USER_COUNT_THRESHOLD, dismiss_endpoint: user_callouts_path } }
     = sprite_icon('information-o', css_class: 'gl-icon gl-alert-icon')
     %button.js-close.gl-alert-dismiss{ type: 'button', 'aria-label' => _('Dismiss') }
       = sprite_icon('close', css_class: 'gl-icon')

ee/changelogs/unreleased/233691-remove-bootstrap-styling-user-count.yml

+---
+title: Remove bootstrap class in licensed user count
+merge_request: 45443
+author:
+type: other