not-pages-live-signature.php

<?php
/*
Plugin Name: No My Live Signature for pages
Description: This plugin will remove the My Live Signature from pages
Version: 0.1
*/

add_filter( 'wp_head', 'mh_remove_mls' , 20 );
function mh_remove_mls() {
        global $post;
        if( $post->post_type == 'page' ) {
                remove_filter( 'the_content', 'mls_add_top_post' );
        }
}