Cut the comment bloat from the Podman playbooks

Comment blocks now stay within three lines and explain only the non-obvious. Long histories, include examples, and commented-out code are gone. No task, key, or value changed; the only data change is comment text inside the generated unit files.

monitoring/roles/loki/tasks/main.yaml

@@ -1,9 +1,6 @@
 ---
-# The image is configured to run by default as user loki with UID 10001 and GID 10001.
-# You can use a different user, specially if you are using bind mounts, by specifying
-# the UID with a docker run command and using --user=UID with a numeric UID suited to your needs.
+# The image runs as UID and GID 10001, so the data directory must be owned by 10001.
 
-# Tasks for Loki role
 - name: Pull Loki image
   docker_image:
     name: "{{ loki_image }}"
@@ -18,14 +15,6 @@
       owner: "{{ loki_user }}"
       mode: 0755
 
-# - name: Ensure Loki Config Directory exists
-#   file:
-#       path: "{{ loki_directory }}/config"
-#       state: directory
-#       group: "{{ loki_user }}"
-#       owner: "{{ loki_user }}"
-#       mode: 0755
-
 - name: Copy the Loki conf file
   template:
     src: "files/loki-config.yaml"