removed duplication

modules/Bio/EnsEMBL/IO/TabixParser.pm

@@ -59,14 +59,6 @@ sub open {
     $params{'use_tmp_dir'}  = 1; 
   }
 
-  my %params = (filename => $filename);
-  ## Tabix will want to write the downloaded index file to 
-  ## the current working directory. By default this is '/'
-  if ($self->{'params'}{'tmp_dir'}) {
-    $params{'tmp_dir'}      = $self->{'params'}{'tmp_dir'};
-    $params{'use_tmp_dir'}  = 1; 
-  }
-
   $self->{record}     = undef;
   $self->{tabix_file} = Bio::DB::HTS::Tabix->new(%params);
   $self->{iterator}   = undef;