Update CHANGELOG.md

Remove empty changelog section for actual 1.1.0 release

Author: isc-tleavitt

CHANGELOG.md

@@ -5,26 +5,6 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased - 1.2.0+snapshot]
-
-### Added 
-- 
-
-### Changed
-- 
-
-### Fixed
-- 
-
-### Security
--
-
-### Removed
-- 
-
-### Deprecated
--
-
 ## [1.1.0] - 2022-08-08
 
 ### Added