Remove unused api handler

After migration to uwsgi this handler is not used anywhere,
so can be safely removed.

Change-Id: I2fe2868e7996c3c6f568d52daae71026d4052c6b

handlers/main.yml

@@ -58,14 +58,3 @@
   listen:
     - "Restart cloudkitty services"
     - "venv changed"
-
-- name: Restart cloudkitty-api
-  service:
-    name: "{{ cloudkitty_system_service_name }}"
-    enabled: yes
-    state: "restarted"
-    daemon_reload: "{{ (ansible_service_mgr == 'systemd') | ternary('yes', omit) }}"
-  register: _restart
-  until: _restart | success
-  retries: 5
-  delay: 2