function plt_hide_avatars_meta_box_metaboxes() {
$screen = get_current_screen();
if ( !$screen ) {
return;
}
//Hide the "Author:" meta box.
remove_meta_box('amb-avatars-author', $screen->id, 'normal');
}
add_action('add_meta_boxes', 'plt_hide_avatars_meta_box_metaboxes', 20);