Added users role to manage the playbook as root and remove admin privileges from deck

roles/mesa/tasks/main.yml

@@ -1,6 +1,5 @@
 # community.general.pacman ignores the repo/pkg syntax, so call pacman.
 - name: Install the patched Mesa stack
-  become: true
   ansible.builtin.command:
     argv: "{{ ['pacman', '-S', '--noconfirm'] + (mesa_stack | map('regex_replace', '^', 'bc250-cachyos/') | list) }}"
   register: mesa_install
@@ -20,7 +19,6 @@
 # Pin last: IgnorePkg outranks the repo/pkg syntax, so writing it before
 # the install would make pacman prompt instead of proceeding.
 - name: Pin the Mesa stack against upstream upgrades
-  become: true
   ansible.builtin.lineinfile:
     path: /etc/pacman.conf
     regexp: '^IgnorePkg\s*='