Revert "- Better handling of unattended-upgrades service, added test."

This reverts commit 2d5ca118.

The service shouldn't be running, only during startup and shutdown.
Reverted changes and removed test.

handlers/main.yml

 ---
 # handlers file for unattended-upgrades
-
-- name: Restart unattended-upgrades
-  service:
-      name: unattended-upgrades
-      state: restarted

tasks/main.yml

@@ -24,11 +24,3 @@
       owner: root
       group: root
       mode: 0o0644
-  notify:
-      - Restart unattended-upgrades
-
-- name: Enable service
-  service:
-      name: unattended-upgrades
-      state: started
-      enabled: yes

tests/test_unattended_upgrades.py

@@ -3,11 +3,6 @@ from testinfra.utils.ansible_runner import AnsibleRunner
 testinfra_hosts = AnsibleRunner('.molecule/ansible_inventory').get_hosts('all')
 
 
-def test_unattended_upgrades_service(Service):
-    assert Service('unattended-upgrades').is_enabled
-    assert Service('unattended-upgrades').is_running
-
-
 def test_unattended_upgrades_package(Package):
     assert Package('unattended-upgrades').is_installed