revert(api): decouple api from curriculum

This reverts commit c077ffe4b9
via PR #40703

api-server/common/utils/flash.js

@@ -0,0 +1,8 @@
+import _ from 'lodash';
+
+export const alertTypes = _.keyBy(
+  ['success', 'info', 'warning', 'danger'],
+  _.identity
+);
+
+export const normalizeAlertType = alertType => alertTypes[alertType] || 'info';