Remove bump in changelog

Author: saulshanabrook

docs/changelog.md

@@ -4,8 +4,7 @@ _This project uses semantic versioning_
 
 ## UNRELEASED
 
-- Bump the actions group across 1 directory with 2 updates [#318](https://github.com/egraphs-good/egglog-python/pull/318)
-- Support methods like  on expressions [#315](https://github.com/egraphs-good/egglog-python/pull/315)
+- Support methods like on expressions [#315](https://github.com/egraphs-good/egglog-python/pull/315)
 - Automatically Create Changelog Entry for PRs [#313](https://github.com/egraphs-good/egglog-python/pull/313)
 - Upgrade egglog which includes new backend.
   - Fixes implementation of the Python Object sort to work with objects with dupliating hashes but the same value.