remove commit_etc_git.yml

We need to use the "etc-git" role

tasks/commit_etc_git.yml

@@ -1,21 +0,0 @@
----
-- name: is /etc clean?
-  command: git status --porcelain
-  args:
-    chdir: /etc
-  changed_when: False
-  register: git_status
-  when: not ansible_check_mode
-  ignore_errors: yes
-  tags:
-  - commit-etc
-
-- name: /etc modifications are committed
-  shell: "git add -A . && git commit -m \"{{ commit_message | default('Ansible run') }}\" --author=\"{{ ansible_env.SUDO_USER | default('Root') }} <{{ ansible_env.SUDO_USER | default('Root') }}@evolix.net>\""
-  args:
-    chdir: /etc
-  register: etc_commit_end_evolinux
-  when: not ansible_check_mode and git_status.stdout != ""
-  ignore_errors: yes
-  tags:
-  - commit-etc