Hide the admin bar in WordPress for all users

/**
 * Hides the admin bar in for all users.
 *
 * @see https://wpcodebook.com/hide-the-admin-bar-in-wordpress-for-all-users/
 * @see https://developer.wordpress.org/reference/hooks/show_admin_bar/
 */
add_filter( 'show_admin_bar', '__return_false' );