chronyc refresh no longer forces replacement of sources.
Fixes: b2dac47c8267 ("ntp: avoid unneccessary replacements on refresh command")
response to last 8 requests), unsynchronised, a falseticker (i.e. does not
agree with a majority of other sources), or the root distance is too large (the
limit can be configured by the <<maxdistance,*maxdistance*>> directive). The
-automatic replacement happens at most once per 30 minutes. It can also be
-triggered manually for all sources by the <<chronyc.adoc#refresh,*refresh*>>
-command in *chronyc*.
+automatic replacement happens at most once per 30 minutes.
+
This directive can be used multiple times to specify multiple servers.
+