i8k: Drop driver version number and info message at startup

The driver version number is long since obsolete, so drop it.
Also, drop the info message at driver startup to reduce boot noise.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>