Update CHANGELOG

Author: bouwew

CHANGELOG.md

@@ -4,7 +4,6 @@
 
 - New Feature: implement collection of location/zone data: Plugwise Adam thermostat representations are zone-based
   in case there are more than one equal type of thermostats in one zone (e.g. 2 Tom's and no Lisa).
-- In PlugwiseData the `devices`-dict is replaced by an `entities`-dict.
 
 ## v1.5.2