no exported symbols, no need for Exporter

lib/IdPAccountManager/AuthenticationToken.pm

@@ -15,10 +15,6 @@ use Conf;
 use Digest::MD5;
 use POSIX qw(strftime);
 
-require Exporter;
-my @ISA    = qw(Exporter);
-my @EXPORT = qw();
-
 use Carp;
 
 INIT {

lib/IdPAccountManager/SAMLMetadata.pm

@@ -11,10 +11,6 @@ use Conf;
 
 use XML::LibXML;
 
-require Exporter;
-my @ISA    = qw(Exporter);
-my @EXPORT = qw();
-
 use Carp;
 
 sub new {

lib/IdPAccountManager/ServiceProvider.pm

@@ -13,10 +13,6 @@ use IdPAccountManager::Data::Serviceprovider::Manager;
 use IdPAccountManager::Tools;
 use Conf;
 
-require Exporter;
-my @ISA    = qw(Exporter);
-my @EXPORT = qw();
-
 use Carp;
 
 INIT {

lib/IdPAccountManager/TestAccount.pm

@@ -13,10 +13,6 @@ use IdPAccountManager::Tools;
 use Conf;
 use POSIX qw(strftime);
 
-require Exporter;
-my @ISA    = qw(Exporter);
-my @EXPORT = qw();
-
 use Carp;
 
 INIT {