Deleted non-role playbooks, and fixed up role tasks

roles/arch_update/tasks/aur_rebuild.yaml

@@ -0,0 +1,14 @@
+- name:  Get list of AUR Python packages that need to be rebuilt
+  ansible.builtin.shell:
+    cmd:
+      comm -12 <(pactree -lrud1 {{ package_pattern }} | sort -u) <(pacman -Qqm | sort -u)
+  register: aur_packages
+- name:  Rebuild AUR Python packages
+  aur:
+    use:  pikaur
+    name:  '{{ item }}'
+    aur_only:  true
+    extra_args:  --rebuild
+  loop:  '{{ aur_packages.stdout.split() }}'
+
+