Removed MIT Kerberos v1.2 check, since Heimdal v1.2 is out and it works fine.
Removed MIT Kerberos v1.2 check, since Heimdal v1.2 is out and it works fine.

LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot