Remove last traces of VOOT support.

src/lib/Sympa/List.pm

@@ -4572,8 +4572,6 @@ sub restore_users {
 # -> Sympa::DataSource::File class.
 #sub _include_users_remote_file;
 # -> Sympa::DataSource::RemoteFile class.
-#sub _include_users_voot_group;
-# -> Sympa::DataSource::VOOT class.
 #sub _include_users_ldap;
 # -> Sympa::DataSource::LDAP class.
 #sub _include_users_ldap_2level;

src/lib/Sympa/Request/Handler/include.pm

@@ -54,7 +54,6 @@ my %config_user_map = (
     'include_ldap_query'        => 'Sympa::DataSource::LDAP',
     'include_ldap_2level_query' => 'Sympa::DataSource::LDAP2',
     'include_sql_query'         => 'Sympa::DataSource::SQL',
-    'include_voot_group'        => 'Sympa::DataSource::VOOT',
 );
 
 # Internal function.