Remove Stonewither fan and power supply support

This does the following:

* Removes the D-Bus monitor rules for monitoring fan
  and power supply status.

* Removes the fan control features and packages.

* Removes the MSL (Min Ship Level) checking for the
  MAX31785 fan controller that is no longer present.

Resolves openbmc/openbmc#2700

Change-Id: I5c824d68dd21d090a08044ac84d2f275f58c97b5
Signed-off-by: Matt Spinler <spinler@us.ibm.com>
3 files changed