[feature/passwords] Do not pass phpbb_container to passwords manager

PHPBB3-11610

phpBB/phpbb/passwords/driver/interface.php

@@ -33,13 +33,6 @@ interface phpbb_passwords_driver_interface
 	*/
 	public function get_prefix();
 
-	/**
-	* Returns the name of the hash type
-	*
-	* @return string	Hash type of driver
-	*/
-	public function get_type();
-
 	/**
 	* Hash the password
 	*