- drop pam_krb5-specific settings which override library defaults

- drop v4-specific default_domain

krb5.conf

@@ -8,24 +8,15 @@
  dns_lookup_realm = false
  dns_lookup_kdc = false
  ticket_lifetime = 24h
+ renew_lifetime = 7d
  forwardable = yes
 
 [realms]
  EXAMPLE.COM = {
   kdc = kerberos.example.com:88
   admin_server = kerberos.example.com:749
-  default_domain = example.com
  }
 
 [domain_realm]
  .example.com = EXAMPLE.COM
  example.com = EXAMPLE.COM
-
-[appdefaults]
- pam = {
-   debug = false
-   ticket_lifetime = 36000
-   renew_lifetime = 36000
-   forwardable = true
-   krb4_convert = false
- }