Remove a duplicated changelog entry.

Author: 00-kat

CHANGELOG.md

@@ -511,10 +511,6 @@
 
 ### Bug fixes
 
-- Fixed a bug where `case` expressions in custom panic messages would compile
-  to invalid syntax on the JavaScript target.
-  ([Surya Rose](https://github.com/GearsDatapacks))
-
 - Fixed a bug where `case` expressions in custom panic messages would compile
   to invalid syntax on the JavaScript target.
   ([Surya Rose](https://github.com/GearsDatapacks))