[8.x] [eem] disable entity discovery on plugin startup (#204536) (#20…

…5059)

# Backport

This will backport the following commits from `main` to `8.x`:
- [[eem] disable entity discovery on plugin startup
(#204536)](#204536)

<!--- Backport version: 8.9.8 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sqren/backport)

<!--BACKPORT [{"author":{"name":"Kevin
Lacabane","email":"[email protected]"},"sourceCommit":{"committedDate":"2024-12-19T13:35:12Z","message":"[eem]
disable entity discovery on plugin startup (#204536)\n\nDisable entity
discovery on plugin startup and remove some related\nfiles.\n\nWe'll
need a follow up to cleanup endpoints.\n\n### Testing\n\n- enable entity
discovery from `main` with
`PUT\nkbn:/internal/entities/managed/enablement`, preferably in a
cluster with\ndata so you can verify that the `.entities*` indices are
also deleted\n- checkout that branch and start kibana\n- verify all v1
builtin definitions with their\ntransforms/templates/pipelines are
deleted. `.entities` indices for\nthese definitions should also be
gone\n\n---------\n\nCo-authored-by: kibanamachine
<[email protected]>","sha":"505cc0fbbb901263b3a07d2b1a2f7b310a690e18","branchLabelMapping":{"^v9.0.0$":"main","^v8.18.0$":"8.x","^v(\\d+).(\\d+).\\d+$":"$1.$2"}},"sourcePullRequest":{"labels":["release_note:skip","backport
missing","v9.0.0","backport:prev-minor","Team:obs-entities"],"number":204536,"url":"https://github.com/elastic/kibana/pull/204536","mergeCommit":{"message":"[eem]
disable entity discovery on plugin startup (#204536)\n\nDisable entity
discovery on plugin startup and remove some related\nfiles.\n\nWe'll
need a follow up to cleanup endpoints.\n\n### Testing\n\n- enable entity
discovery from `main` with
`PUT\nkbn:/internal/entities/managed/enablement`, preferably in a
cluster with\ndata so you can verify that the `.entities*` indices are
also deleted\n- checkout that branch and start kibana\n- verify all v1
builtin definitions with their\ntransforms/templates/pipelines are
deleted. `.entities` indices for\nthese definitions should also be
gone\n\n---------\n\nCo-authored-by: kibanamachine
<[email protected]>","sha":"505cc0fbbb901263b3a07d2b1a2f7b310a690e18"}},"sourceBranch":"main","suggestedTargetBranches":[],"targetPullRequestStates":[{"branch":"main","label":"v9.0.0","labelRegex":"^v9.0.0$","isSourceBranch":true,"state":"MERGED","url":"https://github.com/elastic/kibana/pull/204536","number":204536,"mergeCommit":{"message":"[eem]
disable entity discovery on plugin startup (#204536)\n\nDisable entity
discovery on plugin startup and remove some related\nfiles.\n\nWe'll
need a follow up to cleanup endpoints.\n\n### Testing\n\n- enable entity
discovery from `main` with
`PUT\nkbn:/internal/entities/managed/enablement`, preferably in a
cluster with\ndata so you can verify that the `.entities*` indices are
also deleted\n- checkout that branch and start kibana\n- verify all v1
builtin definitions with their\ntransforms/templates/pipelines are
deleted. `.entities` indices for\nthese definitions should also be
gone\n\n---------\n\nCo-authored-by: kibanamachine
<[email protected]>","sha":"505cc0fbbb901263b3a07d2b1a2f7b310a690e18"}}]}]
BACKPORT-->

x-pack/platform/plugins/shared/entity_manager/server/lib/entities/built_in/index.ts

@@ -6,17 +6,6 @@
  */
 
 import { EntityDefinition } from '@kbn/entities-schema';
-import { builtInServicesFromEcsEntityDefinition } from './services_from_ecs_data';
-import { builtInHostsFromEcsEntityDefinition } from './hosts_from_ecs_data';
-import { builtInContainersFromEcsEntityDefinition } from './containers_from_ecs_data';
-
-import * as kubernetes from './kubernetes';
-
 export { BUILT_IN_ID_PREFIX } from './constants';
 
-export const builtInDefinitions: EntityDefinition[] = [
-  builtInServicesFromEcsEntityDefinition,
-  builtInHostsFromEcsEntityDefinition,
-  builtInContainersFromEcsEntityDefinition,
-  ...Object.values(kubernetes),
-];
+export const builtInDefinitions: EntityDefinition[] = [];