Proposal - drop the GPSD JSON driver

[Hal Murray]

fallenpegasus at gmail.com said:
> We should remove the GPSD JSON driver from NTPsec.
> It is an attractive nuisance.  The SHM driver, possibly with improvements,
> is a better interface between NTPsec and GPSD. 

It's useful for collecting data on non-SHM approaches.

How about we defer dropping it until we have something better to replace it 
and/or a cleaned up SHM that we all like?

-- 
These are my opinions.  I hate spam.