simplify OS-vars files

Signed-off-by: Sebastian Gumprich <[email protected]>

Author: Sebastian Gumprich

roles/mysql_hardening/vars/RedHat_7.yml renamed to roles/mysql_hardening/vars/RedHat.yml

@@ -33,7 +33,7 @@ os_auth_sub_gid_min: 100000
 os_auth_sub_gid_max: 600100000
 os_auth_sub_gid_count: 65536
 
-os_auth_pam_sssd_enable: false
+os_auth_pam_sssd_enable: true
 
 # defaults for useradd
 os_useradd_mail_dir: /var/spool/mail