Bug 28590: Remove get_shelves_userenv and set_shelves_userenv

They are no longer used since bug 7310, now we are using
Koha::Virtualshelves->get_some_shelves

Test plan:
Create some lists, login at the OPAC and confirm that you see
the list in the navbar (top)

Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>

C4/Auth.pm

@@ -893,9 +893,6 @@ sub checkauth {
                 $session->param('desk_id'),      $session->param('desk_name'),
                 $session->param('register_id'),  $session->param('register_name')
             );
-            C4::Context::set_shelves_userenv( 'bar', $session->param('barshelves') );
-            C4::Context::set_shelves_userenv( 'pub', $session->param('pubshelves') );
-            C4::Context::set_shelves_userenv( 'tot', $session->param('totshelves') );
             $debug and printf STDERR "AUTH_SESSION: (%s)\t%s %s - %s\n", map { $session->param($_) } qw(cardnumber firstname surname branch);
             $ip          = $session->param('ip');
             $lasttime    = $session->param('lasttime');

C4/Context.pm

@@ -775,26 +775,6 @@ sub set_userenv {
     return $cell;
 }
 
-sub set_shelves_userenv {
-	my ($type, $shelves) = @_ or return;
-	my $activeuser = $context->{activeuser} or return;
-	$context->{userenv}->{$activeuser}->{barshelves} = $shelves if $type eq 'bar';
-	$context->{userenv}->{$activeuser}->{pubshelves} = $shelves if $type eq 'pub';
-	$context->{userenv}->{$activeuser}->{totshelves} = $shelves if $type eq 'tot';
-}
-
-sub get_shelves_userenv {
-	my $active;
-	unless ($active = $context->{userenv}->{$context->{activeuser}}) {
-		$debug and warn "get_shelves_userenv cannot retrieve context->{userenv}->{context->{activeuser}}";
-		return;
-	}
-	my $totshelves = $active->{totshelves} or undef;
-	my $pubshelves = $active->{pubshelves} or undef;
-	my $barshelves = $active->{barshelves} or undef;
-	return ($totshelves, $pubshelves, $barshelves);
-}
-
 =head2 _new_userenv
 
   C4::Context->_new_userenv($session);  # FIXME: This calling style is wrong for what looks like an _internal function