[8.x] kbn-doc-links: remove functionbeat (#198902) (#199158)

# Backport

This will backport the following commits from `main` to `8.x`:
- [kbn-doc-links: remove functionbeat
(#198902)](#198902)

<!--- Backport version: 9.4.3 -->

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

<!--BACKPORT [{"author":{"name":"Anderson
Queiroz","email":"anderson.queiroz@elastic.co"},"sourceCommit":{"committedDate":"2024-11-05T17:08:26Z","message":"kbn-doc-links:
remove functionbeat (#198902)\n\n## Summary\r\n\r\nRemove docs link to
functionbeat as it has been deprecated and will be\r\nremoved in
9.0\r\n\r\n### Checklist\r\n\r\nDelete any items that are not applicable
to this PR.\r\n\r\n\r\n### Risk Matrix\r\n\r\nDelete this section if it
is not applicable to this PR.\r\n\r\n### For maintainers\r\n\r\n- [ ]
This was checked for breaking API changes and was
[labeled\r\nappropriately](https://www.elastic.co/guide/en/kibana/master/contributing.html#_add_your_labels)\r\n-
[ ] This will appear in the **Release Notes** and follow
the\r\n[guidelines](https://www.elastic.co/guide/en/kibana/master/contributing.html#kibana-release-notes-process)\r\n\r\n###
Related Issues:\r\n - Closes
https://github.com/elastic/kibana/issues/193030\r\n - Relates
https://github.com/elastic/beats/issues/40745","sha":"4e753fa8b0270d16aab84e2a4adabfa778326693","branchLabelMapping":{"^v9.0.0$":"main","^v8.17.0$":"8.x","^v(\\d+).(\\d+).\\d+$":"$1.$2"}},"sourcePullRequest":{"labels":["release_note:skip","v9.0.0","backport:prev-minor","8.16
candidate","backport:version"],"title":"kbn-doc-links: remove
functionbeat","number":198902,"url":"https://github.com/elastic/kibana/pull/198902","mergeCommit":{"message":"kbn-doc-links:
remove functionbeat (#198902)\n\n## Summary\r\n\r\nRemove docs link to
functionbeat as it has been deprecated and will be\r\nremoved in
9.0\r\n\r\n### Checklist\r\n\r\nDelete any items that are not applicable
to this PR.\r\n\r\n\r\n### Risk Matrix\r\n\r\nDelete this section if it
is not applicable to this PR.\r\n\r\n### For maintainers\r\n\r\n- [ ]
This was checked for breaking API changes and was
[labeled\r\nappropriately](https://www.elastic.co/guide/en/kibana/master/contributing.html#_add_your_labels)\r\n-
[ ] This will appear in the **Release Notes** and follow
the\r\n[guidelines](https://www.elastic.co/guide/en/kibana/master/contributing.html#kibana-release-notes-process)\r\n\r\n###
Related Issues:\r\n - Closes
https://github.com/elastic/kibana/issues/193030\r\n - Relates
https://github.com/elastic/beats/issues/40745","sha":"4e753fa8b0270d16aab84e2a4adabfa778326693"}},"sourceBranch":"main","suggestedTargetBranches":[],"targetPullRequestStates":[{"branch":"main","label":"v9.0.0","branchLabelMappingKey":"^v9.0.0$","isSourceBranch":true,"state":"MERGED","url":"https://github.com/elastic/kibana/pull/198902","number":198902,"mergeCommit":{"message":"kbn-doc-links:
remove functionbeat (#198902)\n\n## Summary\r\n\r\nRemove docs link to
functionbeat as it has been deprecated and will be\r\nremoved in
9.0\r\n\r\n### Checklist\r\n\r\nDelete any items that are not applicable
to this PR.\r\n\r\n\r\n### Risk Matrix\r\n\r\nDelete this section if it
is not applicable to this PR.\r\n\r\n### For maintainers\r\n\r\n- [ ]
This was checked for breaking API changes and was
[labeled\r\nappropriately](https://www.elastic.co/guide/en/kibana/master/contributing.html#_add_your_labels)\r\n-
[ ] This will appear in the **Release Notes** and follow
the\r\n[guidelines](https://www.elastic.co/guide/en/kibana/master/contributing.html#kibana-release-notes-process)\r\n\r\n###
Related Issues:\r\n - Closes
https://github.com/elastic/kibana/issues/193030\r\n - Relates
https://github.com/elastic/beats/issues/40745","sha":"4e753fa8b0270d16aab84e2a4adabfa778326693"}}]}]
BACKPORT-->

Co-authored-by: Anderson Queiroz <anderson.queiroz@elastic.co>

packages/kbn-doc-links/src/get_doc_links.ts

@@ -287,9 +287,6 @@ export const getDocLinks = ({ kibanaBranch, buildFlavor }: GetDocLinkOptions): D
       base: `${ELASTIC_WEBSITE_URL}guide/en/logstash/${DOC_LINK_VERSION}`,
       inputElasticAgent: `${ELASTIC_WEBSITE_URL}guide/en/logstash/${DOC_LINK_VERSION}/plugins-inputs-elastic_agent.html`,
     },
-    functionbeat: {
-      base: `${ELASTIC_WEBSITE_URL}guide/en/beats/functionbeat/${DOC_LINK_VERSION}`,
-    },
     winlogbeat: {
       base: `${ELASTIC_WEBSITE_URL}guide/en/beats/winlogbeat/${DOC_LINK_VERSION}`,
     },

packages/kbn-doc-links/src/types.ts

@@ -243,9 +243,6 @@ export interface DocLinks {
     readonly base: string;
     readonly inputElasticAgent: string;
   };
-  readonly functionbeat: {
-    readonly base: string;
-  };
   readonly winlogbeat: {
     readonly base: string;
   };