only use become when we are not root

linux/compliance_Alpine.yaml

@@ -1,10 +1,10 @@
 ---
 ## Checks/deploys a Linux system to be managed with Ansible.
 
-# - name: Gather all system groups
-#   ansible.builtin.getent:
-#     database: group
-#     split: ':'
+- name: Gather all system groups
+  ansible.builtin.getent:
+    database: group
+    split: ':'
 
 # Add doas package
 - name: Install doas (for Alpine systems).