Remove the "Authors" column from Co Authors Plus for a post type list in the admin

remove-co-authors-plus-column.php

<?php

add_action( 'admin_init', 'coauthors_cleanup_admin_init', 100 );
function coauthors_cleanup_admin_init(){
	global $coauthors_plus, $pagenow;
	if( 'edit.php' == $pagenow && 'post' == $_GET['post_type']){
		remove_filter( 'manage_posts_columns', array( $coauthors_plus, '_filter_manage_posts_columns' ) );
	}
}