hwmon: (k10temp) Remove unused definitions

Usage of these definitions were removed after the commit 0a4e668b
("hwmon: (k10temp) Remove support for displaying voltage and current on Zen CPUs").
So, cleanup them up.

Signed-off-by: Babu Moger <babu.moger@amd.com>
Link: https://lore.kernel.org/r/163640828776.955062.15863375803675701204.stgit@bmoger-ubuntu


Signed-off-by: Guenter Roeck <linux@roeck-us.net>