hwmon: remove use of __devexit

hwmon: remove use of __devexit

CONFIG_HOTPLUG is going away as an option so __devexit is no
longer needed.

Signed-off-by: Bill Pemberton <[email protected]>
Cc: Hans de Goede <[email protected]>
Cc: Jean Delvare <[email protected]>
Cc: Alistair John Strachan <[email protected]>
Cc: Fenghua Yu <[email protected]>
Cc: Juerg Haefliger <[email protected]>
Cc: Andreas Herrmann <[email protected]>
Cc: Clemens Ladisch <[email protected]>
Cc: Rudolf Marek <[email protected]>
Cc: Jim Cromie <[email protected]>
Cc: "Mark M. Hoffman" <[email protected]>
Cc: Roger Lucas <[email protected]>
Acked-by: Guenter Roeck <[email protected]>
Acked-by: Mark Brown <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>