remove unused handlers in monit integration test

tests/integration/targets/monit/handlers/main.yml

@@ -1,16 +0,0 @@
----
-- name: start monit
-  become: yes
-  service: name=monit state=started
-
-- name: restart monit
-  become: yes
-  service: name=monit state=restarted
-
-- name: reload monit
-  become: yes
-  service: name=monit state=reloaded
-
-- name: stop monit
-  become: yes
-  service: name=monit state=stopped