[Elastic Agent] Remove the service installer scripts from packaging (e…

…lastic#21694)

* Remove the service installer scripts from packaging.

* Add changelog.

(cherry picked from commit e38d417)

dev-tools/packaging/packages.yml

@@ -284,12 +284,6 @@ shared:
     <<: *common
     files:
       <<: *agent_binary_files
-      install-service-{{.BeatName}}.ps1:
-        template: '{{ elastic_beats_dir }}/dev-tools/packaging/templates/windows/install-service-elastic-agent.ps1.tmpl'
-        mode: 0755
-      uninstall-service-{{.BeatName}}.ps1:
-        template: '{{ elastic_beats_dir }}/dev-tools/packaging/templates/windows/uninstall-service.ps1.tmpl'
-        mode: 0755
       'data/{{.BeatName}}-{{ commit_short }}/downloads/filebeat-{{ beat_version }}{{if .Snapshot}}-SNAPSHOT{{end}}-{{.GOOS}}-{{.AgentArchName}}.zip':
         source: '{{.AgentDropPath}}/filebeat-{{ beat_version }}{{if .Snapshot}}-SNAPSHOT{{end}}-{{.GOOS}}-{{.AgentArchName}}.zip'
         mode: 0644

x-pack/elastic-agent/CHANGELOG.next.asciidoc

@@ -35,3 +35,4 @@
 - Add `elastic.agent.id` and `elastic.agent.version` to published events from filebeat and metricbeat {pull}21543[21543]
 - Add `upgrade` subcommand to perform upgrade of installed Elastic Agent {pull}21425[21425]
 - Update `fleet.yml` and Kibana hosts when a policy change updates the Kibana hosts {pull}21599[21599]
+- Removed `install-service.ps1` and `uninstall-service.ps1` from Windows .zip packaging {pull}21694[21694]