Remove use of undefined import

Author: jloleysens

x-pack/plugins/rollup/public/crud_app/sections/job_create/steps_config/index.js

@@ -7,8 +7,6 @@
 
 import { cloneDeep, get, pick } from 'lodash';
 
-import { WEEK } from '../../../../../../../../src/plugins/es_ui_shared/public';
-
 import { validateId } from './validate_id';
 import { validateIndexPattern } from './validate_index_pattern';
 import { validateRollupIndex } from './validate_rollup_index';
@@ -66,7 +64,7 @@ export const stepIdToStepConfigMap = {
         // a few hours as they're being restarted. A delay of 1d would allow them that period to reboot
         // and the "expense" is pretty negligible in most cases: 1 day of extra non-rolled-up data.
         rollupDelay: '1d',
-        cronFrequency: WEEK,
+        cronFrequency: 'WEEK',
         fieldToPreferredValueMap: {},
       };