Remove title attribute from media page.

functions.php

<?php
// Add this code to theme's functions.php
// Remove title attribute from media page.
// Check if function doest not exists.
if ( ! function_exists( 'rtmedia_wp_footer_remove_title' ) ) {
    function rtmedia_wp_footer_remove_title() {
        ?>
        <script type="text/javascript">
            jQuery(document).ready(function($) {
               	function remove_title() {
	                jQuery( '.rtmedia-container .rtmedia-list .rtmedia-list-item' ).each( function(){
	                	// Gets the title attribute
	                	var title = jQuery( this ).find( '.rtmedia-list-item-a' ).attr( 'title' );
	                	if( title != 'undefined' ) {
	                		// Make title attribute blank if found
	                		jQuery( this ).find( '.rtmedia-list-item-a' ).attr( 'title', '' );
	                	}
	                });
            	}
            	// Function for removing title attribute
            	remove_title();
            	// Remove title attribute when new elements are added
            	jQuery('.rtmedia-list').bind("DOMSubtreeModified",function(){
			remove_title();
		});
            });
        </script>
        <?php
    }
}
add_action( 'wp_footer', 'rtmedia_wp_footer_remove_title' );