PROXY: Remove cache_timeout attribute from save_group()
As this function already receives a struct sss_domain_info * parameter
as argument, we can simply get the cache_timeout attribute by accessing
domain->group_timeout.
Related:
https://fedorahosted.org/sssd/ticket/3134
Signed-off-by: Fabiano Fidêncio <fidencio@redhat.com>
Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>