refactor: remove obsolete pipx task and clean up ensure_ansible_collections function

config/ansible/tasks/global/pipx.yml

@@ -1,24 +0,0 @@
-- name: List installed pipx packages
-  ansible.builtin.shell: set -o pipefail && pipx list --short | awk '{print $1}'
-  args:
-    executable: /bin/bash
-  register: installed_pipx_packages
-  changed_when: false
-
-- name: Define desired pipx packages
-  ansible.builtin.set_fact:
-    desired_pipx_packages:
-      - shyaml
-
-- name: Install/Upgrade pipx packages
-  community.general.pipx:
-    name: "{{ item }}"
-    state: present
-    force: true
-  loop: "{{ desired_pipx_packages }}"
-
-- name: Remove undesired pipx packages
-  community.general.pipx:
-    name: "{{ item }}"
-    state: absent
-  loop: "{{ installed_pipx_packages.stdout_lines | difference(desired_pipx_packages) }}"