Move telegraf to host

This makes metric collection for SMART much simpler. I'll still be using the prometheus node exporter for actual system metrics, though.

ansible/roles/forrest/tasks/main.yml

@@ -6,6 +6,3 @@
 
 - name: Prometheus
   include: prometheus.yml
-
-- name: Telegraf
-  include: telegraf.yml

ansible/roles/forrest/tasks/telegraf.yml

@@ -1,26 +0,0 @@
-- name: Create telegraf install directory
-  file:
-    path: /opt/telegraf
-    state: directory
-    owner: "{{ docker_user.name }}"
-    mode: "{{ docker_compose_directory_mask }}"
-  become: true
-
-- name: Install telegraf config
-  template:
-    src: files/telegraf/telegraf.conf
-    dest: /opt/telegraf/telegraf.conf
-    mode: "{{ docker_compose_file_mask }}"
-    owner: "{{ docker_user.name }}"
-  notify: restart telegraf
-  become: true
-
-- name: Install telegraf compose file
-  template:
-    src: files/telegraf/docker-compose.yml
-    dest: /opt/telegraf/docker-compose.yml
-    mode: "{{ docker_compose_file_mask }}"
-    owner: "{{ docker_user.name }}"
-    validate: docker-compose -f %s config
-  notify: restart telegraf
-  become: true