docs(changelog): remove changelog duplicates

Author: tirithen

CHANGELOG.md

@@ -10,18 +10,6 @@ All notable changes to this project will be documented in this file. See [standa
 * use clipper c++ lib version 1.5.4 ([f888844](https://github.com/tirithen/clipper2c-sys/commit/f88884478d8e5b776dfd8623b4114d1151af6224))
 
 
-### Bug Fixes
-
-* use c++ memory allocator to match delete calls ([fb47275](https://github.com/tirithen/clipper2c-sys/commit/fb4727519179c0db2b08dc3a421b9c2b0447f811))
-
-### [0.1.5](https://github.com/tirithen/clipper2c-sys/compare/v0.1.4...v0.1.5) (2025-06-17)
-
-
-### Features
-
-* use clipper c++ lib version 1.5.4 ([f888844](https://github.com/tirithen/clipper2c-sys/commit/f88884478d8e5b776dfd8623b4114d1151af6224))
-
-
 ### Bug Fixes
 
 * use c++ memory allocator to match delete calls ([fb47275](https://github.com/tirithen/clipper2c-sys/commit/fb4727519179c0db2b08dc3a421b9c2b0447f811))