Hide author avatars in loop views and on single masthead view.

my_memberlite_show_author_avatar.php

<?php
/**
 * Hide author avatars in loop views and on single masthead view.
 */
function my_memberlite_show_author_avatar( ) {
	return false;
}
add_filter( 'memberlite_show_author_avatar', 'my_memberlite_show_author_avatar' );