removed unused import

Author: gmmorris

x-pack/plugins/actions/server/builtin_action_types/pagerduty.test.ts

@@ -16,7 +16,6 @@ import { postPagerduty } from './lib/post_pagerduty';
 import { createActionTypeRegistry } from './index.test';
 import { Logger } from '../../../../../src/core/server';
 import { actionsConfigMock } from '../actions_config.mock';
-import { repeat, random } from 'lodash';
 
 const postPagerdutyMock = postPagerduty as jest.Mock;