Revert "Core task manager (#23555)" (#24352)

This reverts commit 8b7c513.

src/es_archiver/lib/indices/kibana_index.js

@@ -45,7 +45,8 @@ const buildUiExports = _.once(async () => {
  * Deletes all indices that start with `.kibana`
  */
 export async function deleteKibanaIndices({ client, stats }) {
-  const indexNames = await fetchKibanaIndices(client);
+  const kibanaIndices = await client.cat.indices({ index: '.kibana*', format: 'json' });
+  const indexNames = kibanaIndices.map(x => x.index);
   if (!indexNames.length) {
     return;
   }
@@ -101,17 +102,3 @@ async function loadElasticVersion() {
   const packageJson = await readFile(path.join(__dirname, '../../../../package.json'));
   return JSON.parse(packageJson).version;
 }
-
-/**
- * Migrations mean that the Kibana index will look something like:
- * .kibana, .kibana_1, .kibana_323, etc. This finds all indices starting
- * with .kibana, then filters out any that aren't actually Kibana's core
- * index (e.g. we don't want to remove .kibana_task_manager or the like).
- *
- * @param {string} index
- */
-async function fetchKibanaIndices(client) {
-  const kibanaIndices = await client.cat.indices({ index: '.kibana*', format: 'json' });
-  const isKibanaIndex = (index) => (/^\.kibana[_]{0,1}[0-9]*$/).test(index);
-  return kibanaIndices.map(x => x.index).filter(isKibanaIndex);
-}

src/server/config/schema.js

@@ -244,11 +244,9 @@ export default () => Joi.object({
     }),
     profile: Joi.boolean().default(false)
   }).default(),
-
   status: Joi.object({
     allowAnonymous: Joi.boolean().default(false)
   }).default(),
-
   map: Joi.object({
     includeElasticMapsService: Joi.boolean().default(true),
     tilemap: tilemapSchema,

src/ui/ui_exports/ui_export_types/index.js

@@ -29,10 +29,6 @@ export {
   validations,
 } from './saved_object';
 
-export {
-  taskDefinitions
-} from './task_definitions';
-
 export {
   app,
   apps,

x-pack/index.js

@@ -27,7 +27,6 @@ import { notifications } from './plugins/notifications';
 import { kueryAutocomplete } from './plugins/kuery_autocomplete';
 import { canvas } from './plugins/canvas';
 import { infra } from './plugins/infra';
-import { taskManager } from './plugins/task_manager';
 
 module.exports = function (kibana) {
   return [
@@ -54,6 +53,5 @@ module.exports = function (kibana) {
     notifications(kibana),
     kueryAutocomplete(kibana),
     infra(kibana),
-    taskManager(kibana),
   ];
 };