etc-git: Remove deprecated/unsupported "warn" parameter

roles/etc-git/tasks/repository.yml

@@ -5,7 +5,6 @@
   args:
     chdir: "{{ repository_path }}"
     creates: "{{ repository_path }}/.git/"
-    warn: false
   register: git_init
   tags:
     - etc-git
@@ -53,7 +52,6 @@
   ansible.builtin.command: "git log"
   args:
     chdir: "{{ repository_path }}"
-    warn: false
   changed_when: false
   failed_when: false
   register: git_log
@@ -65,7 +63,6 @@
   ansible.builtin.shell: "git add -A . && git commit -m \"Initial commit via Ansible\""
   args:
     chdir: "{{ repository_path }}"
-    warn: false
   register: git_commit
   when: git_log.rc != 0 or (git_init is defined and git_init is changed)
   tags: