thunderbird: Moved to submodule software

roles/thunderbird/files/foo.sh.js

@@ -1,2 +0,0 @@
-// set defaults but allow user to change
-pref("signon.rememberSignons", false);

roles/thunderbird/tasks/main.yml

@@ -1,13 +0,0 @@
----
-- name: install packages
-  package:
-    name: thunderbird
-    state: installed
-
-- name: install default settings
-  copy:
-    dest: /usr/lib64/thunderbird/defaults/pref/00-foo.sh.js
-    src: foo.sh.js
-    mode: 0644
-    owner: root
-    group: "{{ ansible_wheel }}"