Broadcast client support removal: docs

[Hal Murray]

ghane0 at gmail.com said:
> Does this mean that "ephermal" mode, "Ephemeral associations are mobilized
> upon arrival of broadcast or multicast server packets and demobilized by
> timeout", no longer exists?  Or is there another use case for that mode? 

They are used by the pool mode.


> As NTPSec no longer acts as a broiadcast (or multicast) client, we should
> remove references from the documentation. 

I have fixes in the pipeline.  Please wait until I finish testing and push 
before you make a pass at that area.  I removed some documentation.  Another 
set of eyes in that area would be good.


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