add changelog entry

Author: mrazauskas

CHANGELOG.md

@@ -16,6 +16,7 @@
 - `[@jest/core]` Support `--outputFile` option for [`--listTests`](https://jestjs.io/docs/cli#--listtests) ([#14980](https://github.com/jestjs/jest/pull/14980))
 - `[@jest/core, @jest/test-sequencer]` [**BREAKING**] Exposes `globalConfig` & `contexts` to `TestSequencer` ([#14535](https://github.com/jestjs/jest/pull/14535), & [#14543](https://github.com/jestjs/jest/pull/14543))
 - `[@jest/environment]` [**BREAKING**] Remove deprecated `jest.genMockFromModule()` ([#15042](https://github.com/jestjs/jest/pull/15042))
+- `[@jest/environment]` [**BREAKING**] Remove unnecessary defensive code ([#15045](https://github.com/jestjs/jest/pull/15045))
 - `[jest-environment-jsdom]` [**BREAKING**] Upgrade JSDOM to v22 ([#13825](https://github.com/jestjs/jest/pull/13825))
 - `[@jest/environment-jsdom-abstract]` Introduce new package which abstracts over the `jsdom` environment, allowing usage of custom versions of JSDOM ([#14717](https://github.com/jestjs/jest/pull/14717))
 - `[jest-environment-node]` Update jest environment with dispose symbols `Symbol` ([#14888](https://github.com/jestjs/jest/pull/14888) & [#14909](https://github.com/jestjs/jest/pull/14909))