removed Changelog changes

Author: andrehora

CHANGELOG.md

@@ -5,13 +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]
-
-### Changed
-
-- Updated test_cells to cover boundary cases of cell_len
-- Updated test_pick to cover untested inputs of pick_bool
-
 ## [13.3.1] - 2023-01-28
 
 ### Fixed