drop ADSP support, fixes #622

Signed-off-by: Michael Kaufmann <d00p@froxlor.org>

install/froxlor.sql

@@ -378,10 +378,8 @@ INSERT INTO `panel_settings` (`settinggroup`, `varname`, `value`) VALUES
 	('spf', 'use_spf', '0'),
 	('spf', 'spf_entry', '"v=spf1 a mx -all"'),
 	('dkim', 'dkim_algorithm', 'all'),
-	('dkim', 'dkim_add_adsp', '1'),
 	('dkim', 'dkim_keylength', '1024'),
 	('dkim', 'dkim_servicetype', '0'),
-	('dkim', 'dkim_add_adsppolicy', '1'),
 	('dkim', 'dkim_notes', ''),
 	('defaultwebsrverrhandler', 'enabled', '0'),
 	('defaultwebsrverrhandler', 'err401', ''),