This will remove the scrollbars:

#!/usr/bin/perl 
use strict;
use warnings;
use Tk;
use Tk::ROText;
use Tk::Table;
my $hdb;

my $window = MainWindow->new;
$window->title("Host Report");
my $labs = $window->Table(-columns => 3, -fixedrows => 6, -fixedcolumn
+s => 4, -rows => 5)->pack(-side => 'bottom');
$labs -> put (1, 1, "Results");
$window->Entry(-textvariable => \$hdb )->pack;
$window->Button(-text => "Go", -command => \&host )->pack;
$window->Button(-text => "Quit", -command => \&stop )->pack;
MainLoop;

sub host {
#open (FH, "<", "host.txt");
my $row = 2;
my $col = 0;
my $x = 0;
my @lines = <DATA>;
print STDERR "@lines\n\n";
#close FH;

foreach my $hdb2 (@lines) {
chomp $hdb2;
my @field = split(':',$hdb2);
#if ($field[0] =~ /(?<![\w-])$hdb(?![\w-])/i) {
for ($x=0; $x <=2; $x += 1)
    {
        $field[$x] = '' unless defined $field[$x];
        my $tempLabel = $labs->Label(-text =>"$field[$x]", -anchor => 
+'w');
        $labs->put($row, $x, $tempLabel);
    }

$row += 1;
#}
}
}

sub stop{
exit;
}
__DATA__
these:lines
are:the:lines
that:you
are:looking:at
[download]

I hope that helps.