Cleanup (or crazy idea): Drop forking

[Richard Laager]

On 08/28/2018 02:32 AM, Hal Murray via devel wrote:
> systemd has the option to support code that doesn't fork/daemonize.  Taking 
> advantage of that could clean up some of our code.

systemd is explicitly and intentionally Linux only. NTPsec could perhaps
have a compile-time ("configure") option to disable a bunch of the
legacy daemonization code, but it can't be entirely removed.

-- 
Richard