Fix anchor link for agent uninstall (#19937)

For #19936

# Checklist for submitter

If some of the following don't apply, delete the relevant line.

<!-- Note that API documentation changes are now addressed by the
product design team. -->

- [x] Changes file added for user-visible changes in `changes/`,
`orbit/changes/` or `ee/fleetd-chrome/changes`.
See [Changes
files](https://fleetdm.com/docs/contributing/committing-changes#changes-files)
for more information.
- [ ] Manual QA for all new/changed functionality

changes/19937-fix-anchor-link

@@ -0,0 +1 @@
+* Fix link to fleetd uninstall instructions in "Delete device" modal

docs/Get started/FAQ.md

@@ -460,7 +460,7 @@ Read more about osquery packs and Fleet's commitment to supporting them [here](h
 
 In the Fleet UI, you can turn off MDM for a host by selecting **Actions > Turn off MDM** on the **Host details** page.
 
-When you turn off MDM for a host, Fleet removes the enforcement of all macOS settings for that host. Also, the host will stop receiving macOS update reminders via Nudge. Turning MDM off doesn't remove the fleetd agent from the host. To remove the fleetd agent, share [these guided instructions](#how-can-i-uninstall-the-osquery-agent) with the end user.
+When you turn off MDM for a host, Fleet removes the enforcement of all macOS settings for that host. Also, the host will stop receiving macOS update reminders via Nudge. Turning MDM off doesn't remove the fleetd agent from the host. To remove the fleetd agent, share [these guided instructions](#how-can-i-uninstall-fleetd) with the end user.
 
 To enforce macOS settings and send macOS update reminders, the host has to turn MDM back on. Turning MDM back on for a host requires end user action.
 

frontend/pages/hosts/components/DeleteHostModal/DeleteHostModal.tsx

@@ -75,9 +75,7 @@ const DeleteHostModal = ({
         </p>
         <p>
           <CustomLink
-            url={
-              "https://fleetdm.com/docs/using-fleet/faq#how-can-i-uninstall-the-osquery-agent"
-            }
+            url={"https://fleetdm.com/learn-more-about/uninstall-fleetd"}
             text="Uninstall Fleet's agent"
             newTab
           />

website/config/routes.js

@@ -516,6 +516,7 @@ module.exports.routes = {
   'GET /learn-more-about/renew-abm': '/docs/using-fleet/mdm-setup#apple-business-manager-abm',
   'GET /learn-more-about/fleet-server-private-key': '/docs/configuration/fleet-server-configuration#server-private-key',
   'GET /learn-more-about/host-identifiers': '/docs/rest-api/rest-api#get-host-by-identifier',
+  'GET /learn-more-about/uninstall-fleetd': '/docs/using-fleet/faq#how-can-i-uninstall-fleetd',
 
   // Sitemap
   // =============================================================================================================