hwmon: (lm85) Drop generic detection

Generic detection leads to too many false positives, so drop it. FWIW
sensors-detect does not have such generic detection. If the user wants
to force the driver to bind to a not yet supported chip, he/she can
still do so using sysfs attribute new_device.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>