Merge pull request #183 from ttwo32/update_chanelog

Update chanelog

CHANGELOG.md

@@ -7,12 +7,10 @@ Update many defitnions.
 Definitions changes:
 
 * Change name of Foundation Day in Western Australia to 'Western Austra…(Thanks to https://github.com/mattman)
-* Terry Fox Day not a formal holiday(Thanks to https://github.com/tabbasi88)
-* Added the Zibelemärit to the region ch_be(Thanks to https://github.com/hrigu)
-* add "Lunes de Pascua Granada" to Catalunya holidays(Thanks to https://github.com/thefabbulus)
-* Correcting observed Battle of the Boyne, N.Ireland (Problem occurs July 2020)(Thanks to https://github.com/qidane)
-* Modify terry fox date test.
-* Fix ch holidays.
+* add Kazakh holidays(Thanks to https://github.com/Legomegger)
+* Add AFL Grand final dates for 2018-2020(Thanks to https://github.com/anicholson)
+* Add 2021 jp holiday(Thanks to https://github.com/ryosukeYamazaki)
+
 
 ## 5.2.0