Hide button in all table views
Place the following code in hooks/header-extras.php:
<!-- hooks/header-extras.php -->
<script>
$j(function() {
$j('button.tv-toggle').hide();
});
</script>
Hide button in one table view
Create or open the file hooks/TABLENAME-tv.js and put the following code there:
$j(function() {
$j('button.tv-toggle').hide();
});