Remove gltooltip directive from vulnerability list

ee/app/assets/javascripts/vulnerabilities/components/vulnerability_list.vue

 <script>
 import { s__, __ } from '~/locale';
-import {
-  GlEmptyState,
-  GlFormCheckbox,
-  GlLink,
-  GlSkeletonLoading,
-  GlTable,
-  GlTooltipDirective,
-} from '@gitlab/ui';
+import { GlEmptyState, GlFormCheckbox, GlLink, GlSkeletonLoading, GlTable } from '@gitlab/ui';
 import RemediatedBadge from './remediated_badge.vue';
 import SeverityBadge from 'ee/vue_shared/security_reports/components/severity_badge.vue';
 import SelectionSummary from 'ee/security_dashboard/components/selection_summary.vue';
@@ -27,9 +20,6 @@ export default {
     SelectionSummary,
     SeverityBadge,
   },
-  directives: {
-    GlTooltip: GlTooltipDirective,
-  },
   props: {
     dashboardDocumentation: {
       type: String,