Revert "thermal: hwmon: Register a hwmon device for each thermal zone"

Revert "thermal: hwmon: Register a hwmon device for each thermal zone"

Revert commit d6323469bcfb ("thermal: hwmon: Register a hwmon device
for each thermal zone") that changed the names of hwmon class devices
associated with thermal zones and their sysfs layout which made user
space unhappy.

Closes: https://lore.kernel.org/linux-pm/cafd8af9-c6e9-4bf2-b496-23e796fbc9a6@linux.dev/
Closes: https://lore.kernel.org/linux-hwmon/ab8b093b-46e6-4738-afcf-4b97c9ad5af9@googlemail.com/
Cc: stable@vger.kernel.org
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://patch.msgid.link/2301040.irdbgypaU6@rafael.j.wysocki