Replace docker-compose restart hack with shell handler hack

The docker-compose integration would start 2 of the same container, which does bad things to things like databases!

ansible/roles/statping/handlers/main.yml

@@ -0,0 +1,4 @@
+- name: restart statping
+  shell:
+    chdir: /opt/statping
+    cmd: "{{ docker_update_command }}"

ansible/roles/statping/tasks/main.yml

@@ -13,17 +13,5 @@
     mode: "{{ docker_compose_file_mask }}"
     owner: "{{ docker_user.name }}"
     validate: /usr/bin/docker-compose -f %s config
-  register: compose_file
+  notify: restart statping
   become: true
-
-- name: Cycle container
-  docker_compose:
-    project_src: /opt/statping
-    pull: true
-    remove_orphans: true
-    remove_volumes: true
-    state: "{{ item }}"
-  when: compose_file.changed
-  loop:
-    - absent
-    - present