How to disable alt text in products page

Hello!
How i can disable alt text in my product page? and how i can also disable save us pictures in products.

For disable alt text i use code, but not work.

/*—————————————-
// Remove Image Title on hover
//————————————–*/

function removeImageTitleOnHover(){
?>
<script>
jQuery(document).ready(function() {
var imgTitle;
jQuery(“img”).hover(function(){
imgTitle = jQuery(this).attr(“title”);
jQuery(this).removeAttr(“title”);
}, function(){
jQuery(this).attr(“title”, imgTitle);
});
});
</script>
<?php
}
add_action(‘wp_footer’, ‘removeImageTitleOnHover’);