Stop using FQMN for ini_file

Resolves this fail on CentOS 7:

34/44 Test #34: ansible-playbook-syntax-check-rhel7 ..............................***Failed    2.69 sec
[WARNING]: provided hosts list is empty, only localhost is available. Note that
the implicit localhost does not match 'all'
ERROR! couldn't resolve module/action 'community.general.ini_file'. This often indicates a misspelling, missing collection, or incorrect module path.

linux_os/guide/services/sssd/sssd_enable_pam_services/ansible/shared.yml

@@ -33,7 +33,7 @@
   when: sssd_conf_file.stat.exists
 
 - name: {{{ rule_title }}} - Insert entry to /etc/sssd/sssd.conf
-  community.general.ini_file:
+  ini_file:
     path: /etc/sssd/sssd.conf
     section: sssd
     option: services