fix changelog for master after maint merge conflict

Author: hedenface

Changelog

@@ -2,12 +2,6 @@
 Nagios Core 4 Change Log
 ########################
 
-4.4.2 - 2018-07-??
-------------------
-* Fix for duplicate comments on reload (#549) (Bryan Heden)
-* Fix for check_interval/retry_interval bug (Scott Wilkerson)
-* Fix passive checks sending recovery email when host was previously up (Scott Wilkerson)
-
 4.4.1 - 2018-06-25
 ------------------
 FIXES